java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:49:23,206 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:49:23,208 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:49:23,219 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:49:23,220 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:49:23,221 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:49:23,222 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:49:23,224 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:49:23,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:49:23,227 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:49:23,228 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:49:23,228 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:49:23,229 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:49:23,230 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:49:23,231 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:49:23,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:49:23,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:49:23,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:49:23,240 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:49:23,243 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:49:23,245 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:49:23,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:49:23,254 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:49:23,254 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:49:23,254 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:49:23,257 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:49:23,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:49:23,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:49:23,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:49:23,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:49:23,268 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:49:23,268 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:49:23,269 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:49:23,269 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:49:23,270 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:49:23,272 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:49:23,272 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 21:49:23,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:49:23,302 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:49:23,303 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:49:23,303 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:49:23,304 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:49:23,305 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:49:23,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:49:23,306 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:49:23,306 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:49:23,306 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:49:23,306 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:49:23,306 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:49:23,306 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:49:23,307 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:49:23,307 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:49:23,307 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:49:23,307 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:49:23,309 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:49:23,309 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:49:23,309 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:49:23,309 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:49:23,309 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:49:23,310 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:49:23,310 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:49:23,310 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:49:23,310 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:49:23,310 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:49:23,311 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:49:23,311 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:49:23,311 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:49:23,368 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:49:23,383 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:49:23,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:49:23,392 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:49:23,392 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:49:23,393 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-09-30 21:49:23,393 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-09-30 21:49:23,444 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:49:23,448 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:49:23,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:49:23,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:49:23,449 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:49:23,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:49:23,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:49:23,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:49:23,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:49:23,500 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:49:23,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:49:23,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:49:23,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:49:23,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:49:23" (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 21:49:23,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:49:23,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:49:23,878 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:49:23,879 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:49:23 BoogieIcfgContainer [2018-09-30 21:49:23,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:49:23,880 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:49:23,880 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:49:23,892 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:49:23,892 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:49:23" (1/1) ... [2018-09-30 21:49:23,905 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:49:23,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:23,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-30 21:49:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-30 21:49:23,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:49:23,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:24,104 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 21:49:24,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-09-30 21:49:24,445 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-09-30 21:49:24,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:49:24,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:24,507 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 21:49:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-09-30 21:49:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-09-30 21:49:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:49:25,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:25,180 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:49:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:25,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-09-30 21:49:25,646 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-09-30 21:49:25,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:49:25,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:25,727 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-09-30 21:49:26,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:26,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-09-30 21:49:26,935 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-09-30 21:49:26,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:49:26,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:27,040 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-09-30 21:49:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-09-30 21:49:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-09-30 21:49:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:49:28,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-09-30 21:49:28,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:28,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2018-09-30 21:49:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-09-30 21:49:28,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:49:28,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-09-30 21:49:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:30,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2018-09-30 21:49:30,087 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-09-30 21:49:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:49:30,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-09-30 21:49:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2018-09-30 21:49:30,761 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-09-30 21:49:30,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:49:30,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 120 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-09-30 21:49:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:31,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2018-09-30 21:49:31,826 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-09-30 21:49:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:49:31,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:32,196 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-09-30 21:49:33,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2018-09-30 21:49:33,768 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-09-30 21:49:33,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:49:33,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:33,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:33,901 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-09-30 21:49:35,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2018-09-30 21:49:35,558 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-09-30 21:49:35,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:49:35,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:35,633 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 322 proven. 12 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-09-30 21:49:36,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:36,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2018-09-30 21:49:36,534 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-09-30 21:49:36,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:49:36,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-09-30 21:49:38,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:38,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2018-09-30 21:49:38,720 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-09-30 21:49:38,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:49:38,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 448 proven. 12 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-09-30 21:49:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:40,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2018-09-30 21:49:40,197 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-09-30 21:49:40,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:49:40,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-09-30 21:49:42,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2018-09-30 21:49:42,642 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2018-09-30 21:49:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:49:42,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-09-30 21:49:43,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:43,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2018-09-30 21:49:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2018-09-30 21:49:43,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:49:43,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:44,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 988 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-09-30 21:49:46,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:46,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2018-09-30 21:49:46,431 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-09-30 21:49:46,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-30 21:49:46,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:46,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 700 proven. 12 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-09-30 21:49:48,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:48,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2018-09-30 21:49:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2018-09-30 21:49:48,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-30 21:49:48,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-09-30 21:49:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 107 states and 117 transitions. [2018-09-30 21:49:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2018-09-30 21:49:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-30 21:49:51,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 826 proven. 12 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2018-09-30 21:49:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 109 states and 119 transitions. [2018-09-30 21:49:53,758 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-09-30 21:49:53,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-30 21:49:53,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:54,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 0 proven. 1732 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-09-30 21:49:57,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 119 states and 130 transitions. [2018-09-30 21:49:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-09-30 21:49:57,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-30 21:49:57,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:49:57,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 952 proven. 12 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2018-09-30 21:49:59,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:49:59,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2018-09-30 21:49:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2018-09-30 21:49:59,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-30 21:49:59,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:49:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:01,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-09-30 21:50:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2018-09-30 21:50:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-09-30 21:50:04,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-30 21:50:04,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:05,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 1078 proven. 12 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-09-30 21:50:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2018-09-30 21:50:06,877 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-09-30 21:50:06,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-30 21:50:06,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2684 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-09-30 21:50:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2018-09-30 21:50:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2018-09-30 21:50:11,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-30 21:50:11,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:11,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3348 backedges. 1204 proven. 12 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2018-09-30 21:50:13,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:13,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 145 states and 158 transitions. [2018-09-30 21:50:13,542 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2018-09-30 21:50:13,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-30 21:50:13,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:14,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 0 proven. 3238 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-09-30 21:50:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 155 states and 169 transitions. [2018-09-30 21:50:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2018-09-30 21:50:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-30 21:50:18,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3964 backedges. 1330 proven. 12 refuted. 0 times theorem prover too weak. 2622 trivial. 0 not checked. [2018-09-30 21:50:21,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:21,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 157 states and 171 transitions. [2018-09-30 21:50:21,222 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2018-09-30 21:50:21,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-30 21:50:21,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4088 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-09-30 21:50:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 167 states and 182 transitions. [2018-09-30 21:50:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2018-09-30 21:50:27,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-09-30 21:50:27,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 1456 proven. 12 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2018-09-30 21:50:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 169 states and 184 transitions. [2018-09-30 21:50:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2018-09-30 21:50:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-09-30 21:50:32,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:34,480 INFO L134 CoverageAnalysis]: Checked inductivity of 4766 backedges. 0 proven. 4502 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-09-30 21:50:40,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:40,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 179 states and 195 transitions. [2018-09-30 21:50:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 195 transitions. [2018-09-30 21:50:40,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-09-30 21:50:40,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 5352 backedges. 1582 proven. 12 refuted. 0 times theorem prover too weak. 3758 trivial. 0 not checked. [2018-09-30 21:50:43,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:43,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 181 states and 197 transitions. [2018-09-30 21:50:43,652 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 197 transitions. [2018-09-30 21:50:43,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-09-30 21:50:43,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:44,171 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 0 proven. 5212 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-09-30 21:50:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 191 states and 208 transitions. [2018-09-30 21:50:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2018-09-30 21:50:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-09-30 21:50:50,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6124 backedges. 1708 proven. 12 refuted. 0 times theorem prover too weak. 4404 trivial. 0 not checked. [2018-09-30 21:50:54,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:50:54,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2018-09-30 21:50:54,103 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2018-09-30 21:50:54,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-09-30 21:50:54,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:50:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:50:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6278 backedges. 0 proven. 5974 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-09-30 21:51:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:51:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 203 states and 221 transitions. [2018-09-30 21:51:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 221 transitions. [2018-09-30 21:51:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-09-30 21:51:02,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:51:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:51:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6948 backedges. 1834 proven. 12 refuted. 0 times theorem prover too weak. 5102 trivial. 0 not checked. [2018-09-30 21:51:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:51:06,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 205 states and 223 transitions. [2018-09-30 21:51:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 223 transitions. [2018-09-30 21:51:06,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-09-30 21:51:06,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:51:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:51:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7112 backedges. 0 proven. 6788 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-09-30 21:51:14,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:51:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 215 states and 234 transitions. [2018-09-30 21:51:14,418 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 234 transitions. [2018-09-30 21:51:14,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-09-30 21:51:14,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:51:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:51:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7824 backedges. 1960 proven. 12 refuted. 0 times theorem prover too weak. 5852 trivial. 0 not checked. [2018-09-30 21:51:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:51:20,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 217 states and 236 transitions. [2018-09-30 21:51:20,296 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 236 transitions. [2018-09-30 21:51:20,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-09-30 21:51:20,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:51:20,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:51:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 0 proven. 7654 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-09-30 21:51:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:51:29,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 227 states and 247 transitions. [2018-09-30 21:51:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 247 transitions. [2018-09-30 21:51:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-09-30 21:51:29,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:51:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:51:29,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8752 backedges. 2086 proven. 12 refuted. 0 times theorem prover too weak. 6654 trivial. 0 not checked. [2018-09-30 21:51:34,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:51:34,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 229 states and 249 transitions. [2018-09-30 21:51:34,560 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-09-30 21:51:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-09-30 21:51:34,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:51:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:51:35,050 INFO L134 CoverageAnalysis]: Checked inductivity of 8936 backedges. 0 proven. 8572 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-09-30 21:51:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:51:44,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 239 states and 260 transitions. [2018-09-30 21:51:44,047 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2018-09-30 21:51:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-09-30 21:51:44,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:51:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:51:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2212 proven. 12 refuted. 0 times theorem prover too weak. 7508 trivial. 0 not checked. [2018-09-30 21:51:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:51:49,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 241 states and 262 transitions. [2018-09-30 21:51:49,656 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 262 transitions. [2018-09-30 21:51:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-09-30 21:51:49,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:51:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:51:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 9926 backedges. 0 proven. 9542 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-09-30 21:51:59,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:51:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 251 states and 273 transitions. [2018-09-30 21:51:59,758 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2018-09-30 21:51:59,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-09-30 21:51:59,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:51:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:51:59,959 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 2338 proven. 12 refuted. 0 times theorem prover too weak. 8414 trivial. 0 not checked. [2018-09-30 21:52:05,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:05,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 253 states and 275 transitions. [2018-09-30 21:52:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2018-09-30 21:52:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-09-30 21:52:05,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 0 proven. 10564 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2018-09-30 21:52:17,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 263 states and 286 transitions. [2018-09-30 21:52:17,775 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 286 transitions. [2018-09-30 21:52:17,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-09-30 21:52:17,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 11848 backedges. 2464 proven. 12 refuted. 0 times theorem prover too weak. 9372 trivial. 0 not checked. [2018-09-30 21:52:24,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:24,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 265 states and 288 transitions. [2018-09-30 21:52:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 288 transitions. [2018-09-30 21:52:24,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-09-30 21:52:24,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 12062 backedges. 0 proven. 11638 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-09-30 21:52:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:36,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 275 states and 299 transitions. [2018-09-30 21:52:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 299 transitions. [2018-09-30 21:52:36,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-09-30 21:52:36,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:37,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12984 backedges. 2590 proven. 12 refuted. 0 times theorem prover too weak. 10382 trivial. 0 not checked. [2018-09-30 21:52:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:45,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 277 states and 301 transitions. [2018-09-30 21:52:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2018-09-30 21:52:45,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-09-30 21:52:45,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 13208 backedges. 0 proven. 12764 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2018-09-30 21:52:58,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:52:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 287 states and 312 transitions. [2018-09-30 21:52:58,216 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 312 transitions. [2018-09-30 21:52:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-09-30 21:52:58,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:52:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:52:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 14172 backedges. 2716 proven. 12 refuted. 0 times theorem prover too weak. 11444 trivial. 0 not checked. [2018-09-30 21:53:06,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:06,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 289 states and 314 transitions. [2018-09-30 21:53:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2018-09-30 21:53:06,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-09-30 21:53:06,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:07,535 INFO L134 CoverageAnalysis]: Checked inductivity of 14406 backedges. 0 proven. 13942 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-09-30 21:53:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 299 states and 325 transitions. [2018-09-30 21:53:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 325 transitions. [2018-09-30 21:53:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-09-30 21:53:20,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 15412 backedges. 2842 proven. 12 refuted. 0 times theorem prover too weak. 12558 trivial. 0 not checked. [2018-09-30 21:53:29,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:53:29,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 301 states and 327 transitions. [2018-09-30 21:53:29,029 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 327 transitions. [2018-09-30 21:53:29,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-09-30 21:53:29,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:53:29,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:53:29,722 INFO L134 CoverageAnalysis]: Checked inductivity of 15656 backedges. 0 proven. 15172 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. Received shutdown request... [2018-09-30 21:53:43,760 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.09 09:53:43 ImpRootNode [2018-09-30 21:53:43,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-30 21:53:43,761 INFO L168 Benchmark]: Toolchain (without parser) took 260316.00 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -255.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 317.0 MB). Peak memory consumption was 61.6 MB. Max. memory is 7.1 GB. [2018-09-30 21:53:43,763 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 21:53:43,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.25 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 21:53:43,764 INFO L168 Benchmark]: Boogie Preprocessor took 18.88 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 21:53:43,765 INFO L168 Benchmark]: RCFGBuilder took 371.48 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 21:53:43,765 INFO L168 Benchmark]: CodeCheck took 259880.07 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -255.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 295.8 MB). Peak memory consumption was 40.5 MB. Max. memory is 7.1 GB. [2018-09-30 21:53:43,769 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 34]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 34) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNKNOWN Result, 259.8s OverallTime, 53 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -1431655776 SDslu, -1431655784 SDs, 0 SdLazy, -24 SolverSat, -12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 75.6s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 7774 NumberOfCodeBlocks, 7774 NumberOfCodeBlocksAsserted, 53 NumberOfCheckSat, 7721 ConstructedInterpolants, 0 QuantifiedInterpolants, 6448021 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 53 InterpolantComputations, 2 PerfectInterpolantSequences, 138634/268840 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 40.25 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 18.88 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 371.48 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 259880.07 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -255.3 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 295.8 MB). Peak memory consumption was 40.5 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/nested1.i_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-30_21-53-43-781.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-53-43-781.csv Completed graceful shutdown