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-d19836b [2018-09-26 23:09:04,065 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 23:09:04,067 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 23:09:04,080 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 23:09:04,080 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 23:09:04,081 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 23:09:04,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 23:09:04,085 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 23:09:04,086 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 23:09:04,087 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 23:09:04,088 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 23:09:04,088 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 23:09:04,089 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 23:09:04,090 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 23:09:04,092 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 23:09:04,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 23:09:04,093 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 23:09:04,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 23:09:04,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 23:09:04,109 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 23:09:04,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 23:09:04,112 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 23:09:04,120 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 23:09:04,121 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 23:09:04,121 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 23:09:04,125 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 23:09:04,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 23:09:04,127 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 23:09:04,130 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 23:09:04,131 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 23:09:04,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 23:09:04,134 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 23:09:04,134 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 23:09:04,134 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 23:09:04,135 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 23:09:04,136 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 23:09:04,136 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 [2018-09-26 23:09:04,171 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 23:09:04,171 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 23:09:04,172 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 23:09:04,173 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 23:09:04,173 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 23:09:04,174 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 23:09:04,174 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 23:09:04,174 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 23:09:04,174 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 23:09:04,174 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 23:09:04,175 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 23:09:04,175 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 23:09:04,175 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 23:09:04,175 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 23:09:04,176 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 23:09:04,176 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 23:09:04,176 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 23:09:04,176 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 23:09:04,176 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 23:09:04,176 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 23:09:04,177 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 23:09:04,177 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 23:09:04,177 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 23:09:04,177 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 23:09:04,178 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 23:09:04,178 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 23:09:04,178 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 23:09:04,178 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 23:09:04,178 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 23:09:04,179 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 23:09:04,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 23:09:04,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 23:09:04,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 23:09:04,263 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 23:09:04,263 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 23:09:04,264 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2018-09-26 23:09:04,265 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2018-09-26 23:09:04,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 23:09:04,319 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 23:09:04,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 23:09:04,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 23:09:04,320 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 23:09:04,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,362 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 23:09:04,362 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 23:09:04,362 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 23:09:04,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 23:09:04,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 23:09:04,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 23:09:04,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 23:09:04,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 23:09:04,388 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 23:09:04,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 23:09:04,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 23:09:04,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:09:04" (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 [2018-09-26 23:09:04,478 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2018-09-26 23:09:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2018-09-26 23:09:04,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2018-09-26 23:09:04,553 WARN L639 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-26 23:09:04,747 INFO L343 CfgBuilder]: Using library mode [2018-09-26 23:09:04,748 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:09:04 BoogieIcfgContainer [2018-09-26 23:09:04,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 23:09:04,749 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 23:09:04,749 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 23:09:04,763 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 23:09:04,763 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:09:04" (1/1) ... [2018-09-26 23:09:04,783 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 23:09:04,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 23:09:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 23:09:04,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 23:09:04,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:04,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:05,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-26 23:09:05,742 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-26 23:09:05,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 23:09:05,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:05,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:06,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:08,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:08,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-09-26 23:09:08,158 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-09-26 23:09:08,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 23:09:08,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:08,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:11,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:11,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-09-26 23:09:11,344 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-09-26 23:09:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 23:09:11,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:11,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:11,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2018-09-26 23:09:13,782 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2018-09-26 23:09:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 23:09:13,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:13,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:17,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:17,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2018-09-26 23:09:17,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2018-09-26 23:09:17,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 23:09:17,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:17,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:17,826 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:19,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:19,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-09-26 23:09:19,520 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-09-26 23:09:19,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 23:09:19,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:19,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:23,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:23,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 22 states and 43 transitions. [2018-09-26 23:09:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 43 transitions. [2018-09-26 23:09:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 23:09:23,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:23,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 25 states and 49 transitions. [2018-09-26 23:09:30,276 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 49 transitions. [2018-09-26 23:09:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 23:09:30,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:30,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:30,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:41,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2018-09-26 23:09:41,015 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2018-09-26 23:09:41,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 23:09:41,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:41,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2018-09-26 23:09:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2018-09-26 23:09:54,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 23:09:54,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:54,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:09:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:09,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2018-09-26 23:10:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2018-09-26 23:10:09,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 23:10:09,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:09,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:10:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:26,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-09-26 23:10:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-09-26 23:10:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 23:10:26,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:26,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:10:33,472 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:10:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:10:47,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2018-09-26 23:10:47,803 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2018-09-26 23:10:47,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 23:10:47,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:10:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:10:47,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:10:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:07,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2018-09-26 23:11:07,994 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2018-09-26 23:11:07,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 23:11:07,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:08,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:11:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:11:31,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:11:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2018-09-26 23:11:31,419 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2018-09-26 23:11:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 23:11:31,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:11:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:11:31,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:11:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:12:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:12:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 90 transitions. [2018-09-26 23:12:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2018-09-26 23:12:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 23:12:04,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:12:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:12:04,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:12:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:12:33,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:12:33,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2018-09-26 23:12:33,482 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2018-09-26 23:12:33,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 23:12:33,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:12:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:12:33,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:12:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:13:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:13:08,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2018-09-26 23:13:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2018-09-26 23:13:08,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 23:13:08,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:13:08,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:13:08,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 23:13:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown