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/toy/nonlinear/Mult1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:25:54,154 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:25:54,156 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:25:54,173 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:25:54,174 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:25:54,175 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:25:54,177 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:25:54,179 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:25:54,181 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:25:54,182 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:25:54,185 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:25:54,185 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:25:54,186 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:25:54,187 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:25:54,194 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:25:54,195 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:25:54,196 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:25:54,198 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:25:54,200 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:25:54,202 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:25:54,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:25:54,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:25:54,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:25:54,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:25:54,208 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:25:54,209 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:25:54,210 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:25:54,211 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:25:54,212 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:25:54,213 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:25:54,213 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:25:54,214 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:25:54,214 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:25:54,214 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:25:54,215 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:25:54,218 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:25:54,218 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-03 10:25:54,244 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:25:54,244 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:25:54,245 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:25:54,245 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:25:54,249 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:25:54,249 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:25:54,249 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:25:54,249 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:25:54,250 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:25:54,251 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:25:54,251 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:25:54,251 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:25:54,251 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:25:54,251 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:25:54,251 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:25:54,252 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:25:54,252 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:25:54,252 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:25:54,252 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:25:54,253 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:25:54,253 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:25:54,253 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:25:54,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:25:54,253 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:25:54,253 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:25:54,254 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:25:54,254 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:25:54,254 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:25:54,254 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:25:54,254 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:25:54,299 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:25:54,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:25:54,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:25:54,321 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:25:54,321 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:25:54,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2018-10-03 10:25:54,322 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2018-10-03 10:25:54,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:25:54,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:25:54,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:25:54,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:25:54,376 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:25:54,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,413 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-03 10:25:54,413 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-03 10:25:54,414 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-03 10:25:54,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:25:54,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:25:54,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:25:54,417 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:25:54,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:25:54,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:25:54,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:25:54,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:25:54,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:25:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:25:54,526 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2018-10-03 10:25:54,526 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2018-10-03 10:25:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2018-10-03 10:25:54,602 WARN L617 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-03 10:25:54,782 INFO L337 CfgBuilder]: Using library mode [2018-10-03 10:25:54,782 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:25:54 BoogieIcfgContainer [2018-10-03 10:25:54,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:25:54,783 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:25:54,783 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:25:54,792 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:25:54,792 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:25:54" (1/1) ... [2018-10-03 10:25:54,805 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:25:54,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:25:54,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-03 10:25:54,839 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-03 10:25:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-03 10:25:54,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:25:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:25:54,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:25:55,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:25:55,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:25:55,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-03 10:25:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-03 10:25:55,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-03 10:25:55,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:25:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:25:55,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:25:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:25:56,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:25:56,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-10-03 10:25:56,895 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-10-03 10:25:56,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 10:25:56,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:25:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:25:56,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:25:57,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:25:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:25:58,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 13 states and 25 transitions. [2018-10-03 10:25:58,034 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 25 transitions. [2018-10-03 10:25:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 10:25:58,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:25:58,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:25:58,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:25:58,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:25:59,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:25:59,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2018-10-03 10:25:59,713 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2018-10-03 10:25:59,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 10:25:59,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:25:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:25:59,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:25:59,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:01,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:01,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2018-10-03 10:26:01,510 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2018-10-03 10:26:01,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:26:01,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:01,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:02,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:02,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2018-10-03 10:26:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2018-10-03 10:26:02,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-03 10:26:02,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:02,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:04,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:04,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 45 transitions. [2018-10-03 10:26:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 45 transitions. [2018-10-03 10:26:04,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:26:04,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:04,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:04,773 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:06,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 50 transitions. [2018-10-03 10:26:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 50 transitions. [2018-10-03 10:26:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:26:06,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:06,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 28 states and 54 transitions. [2018-10-03 10:26:07,976 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 54 transitions. [2018-10-03 10:26:07,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:26:07,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:08,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:08,162 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2018-10-03 10:26:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2018-10-03 10:26:09,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:26:09,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:09,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:10,100 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:12,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2018-10-03 10:26:12,033 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2018-10-03 10:26:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:26:12,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:12,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:12,310 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:14,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-10-03 10:26:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-10-03 10:26:14,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-03 10:26:14,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:14,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:18,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-10-03 10:26:18,447 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-10-03 10:26:18,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:26:18,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:18,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:18,732 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2018-10-03 10:26:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2018-10-03 10:26:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:26:22,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:22,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:26,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 45 states and 89 transitions. [2018-10-03 10:26:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2018-10-03 10:26:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:26:26,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:26,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:26,664 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 48 states and 95 transitions. [2018-10-03 10:26:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2018-10-03 10:26:29,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 10:26:29,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:29,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:30,289 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:33,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 51 states and 101 transitions. [2018-10-03 10:26:33,818 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2018-10-03 10:26:33,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:26:33,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:33,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:34,231 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2018-10-03 10:26:37,849 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2018-10-03 10:26:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-03 10:26:37,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:37,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:38,317 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:41,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:41,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2018-10-03 10:26:41,906 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2018-10-03 10:26:41,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:26:41,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:42,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:47,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:47,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 117 transitions. [2018-10-03 10:26:47,184 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 117 transitions. [2018-10-03 10:26:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-03 10:26:47,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:47,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 123 transitions. [2018-10-03 10:26:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 123 transitions. [2018-10-03 10:26:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:26:52,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:52,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:26:58,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:26:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 129 transitions. [2018-10-03 10:26:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 129 transitions. [2018-10-03 10:26:58,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-03 10:26:58,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:26:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:26:58,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:26:58,979 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:03,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:03,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 68 states and 134 transitions. [2018-10-03 10:27:03,646 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 134 transitions. [2018-10-03 10:27:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 10:27:03,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:03,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:07,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 138 transitions. [2018-10-03 10:27:07,733 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2018-10-03 10:27:07,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-03 10:27:07,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:07,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:07,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:11,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2018-10-03 10:27:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2018-10-03 10:27:11,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 10:27:11,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:11,855 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:12,176 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:15,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:15,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 74 states and 146 transitions. [2018-10-03 10:27:15,925 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2018-10-03 10:27:15,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-03 10:27:15,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:16,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:20,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:20,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 76 states and 150 transitions. [2018-10-03 10:27:20,725 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 150 transitions. [2018-10-03 10:27:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 10:27:20,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:20,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:21,215 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 154 transitions. [2018-10-03 10:27:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 154 transitions. [2018-10-03 10:27:25,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-03 10:27:25,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:25,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:25,388 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:29,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 80 states and 158 transitions. [2018-10-03 10:27:29,948 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2018-10-03 10:27:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 10:27:29,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:30,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:30,535 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 82 states and 162 transitions. [2018-10-03 10:27:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 162 transitions. [2018-10-03 10:27:34,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-03 10:27:34,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:35,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:42,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:42,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2018-10-03 10:27:42,764 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2018-10-03 10:27:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 10:27:42,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:43,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:27:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:27:53,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2018-10-03 10:27:53,136 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2018-10-03 10:27:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-03 10:27:53,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:27:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:27:53,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:27:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:28:01,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:28:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2018-10-03 10:28:01,114 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2018-10-03 10:28:01,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 10:28:01,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:28:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:28:01,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:28:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:28:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:28:07,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2018-10-03 10:28:07,215 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2018-10-03 10:28:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-03 10:28:07,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:28:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:28:07,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:28:08,448 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:28:19,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:28:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 94 states and 187 transitions. [2018-10-03 10:28:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 187 transitions. [2018-10-03 10:28:19,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 10:28:19,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:28:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:28:19,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:28:19,914 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:28:28,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:28:28,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 97 states and 192 transitions. [2018-10-03 10:28:28,153 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 192 transitions. [2018-10-03 10:28:28,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-03 10:28:28,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:28:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:28:28,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:28:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:28:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:28:35,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 99 states and 196 transitions. [2018-10-03 10:28:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 196 transitions. [2018-10-03 10:28:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-03 10:28:35,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:28:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:28:36,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:28:36,658 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:28:45,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:28:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 201 transitions. [2018-10-03 10:28:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2018-10-03 10:28:45,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-03 10:28:45,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:28:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:28:46,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:28:47,238 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:28:59,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:28:59,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2018-10-03 10:28:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2018-10-03 10:28:59,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-03 10:28:59,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:29:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:29:00,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:29:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:29:14,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:29:14,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 107 states and 213 transitions. [2018-10-03 10:29:14,325 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 213 transitions. [2018-10-03 10:29:14,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-03 10:29:14,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:29:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:29:15,719 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:29:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:29:30,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:29:30,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 110 states and 219 transitions. [2018-10-03 10:29:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 219 transitions. [2018-10-03 10:29:30,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-03 10:29:30,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:29:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:29:31,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:29:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:29:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:29:46,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 113 states and 225 transitions. [2018-10-03 10:29:46,366 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 225 transitions. [2018-10-03 10:29:46,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-03 10:29:46,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:29:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:29:46,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:29:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:29:58,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:29:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 116 states and 230 transitions. [2018-10-03 10:29:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2018-10-03 10:29:58,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-03 10:29:58,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:29:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:29:59,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:30:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:30:12,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:30:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 118 states and 235 transitions. [2018-10-03 10:30:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2018-10-03 10:30:12,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-03 10:30:12,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:30:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:30:12,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-03 10:30:13,310 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-03 10:30:25,687 INFO L760 CodeCheckObserver]: 0 DeclaredPredicates, 13837 GetRequests, 12056 SyntacticMatches, 1145 SemanticMatches, 636 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 236.6s Time 161.5s impTime 161 [2018-10-03 10:30:25,689 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.10 10:30:25 ImpRootNode [2018-10-03 10:30:25,689 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-03 10:30:25,690 INFO L168 Benchmark]: Toolchain (without parser) took 271318.70 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -263.2 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 372.3 MB). Peak memory consumption was 109.1 MB. Max. memory is 7.1 GB. [2018-10-03 10:30:25,692 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 10:30:25,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 10:30:25,693 INFO L168 Benchmark]: Boogie Preprocessor took 23.96 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 10:30:25,693 INFO L168 Benchmark]: RCFGBuilder took 341.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-03 10:30:25,694 INFO L168 Benchmark]: CodeCheck took 270905.62 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -263.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 351.2 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. [2018-10-03 10:30:25,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 9]: Timeout (CodeCheck) Unable to prove that procedure postcondition always holds (line 9) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 6 locations, 1 error locations. UNKNOWN Result, 270.8s OverallTime, 45 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -92 SDslu, 0 SDs, 0 SdLazy, -1148971754 SolverSat, -293488734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 294.0s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 11.6s SatisfiabilityAnalysisTime, 19.4s InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 1080 ConstructedInterpolants, 0 QuantifiedInterpolants, 366922 SizeOfPredicates, 45 NumberOfNonLiveVariables, 5355 ConjunctsInSsa, 4249 ConjunctsInUnsatCore, 45 InterpolantComputations, 1 PerfectInterpolantSequences, 0/15180 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.13 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.96 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 341.60 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 270905.62 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -263.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 351.2 MB). Peak memory consumption was 88.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Mult1-Safe.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-03_10-30-25-710.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Mult1-Safe.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-03_10-30-25-710.csv Completed graceful shutdown