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 0.1.23-9f4048f-m [2018-10-04 15:07:58,674 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 15:07:58,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 15:07:58,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 15:07:58,695 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 15:07:58,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 15:07:58,698 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 15:07:58,700 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 15:07:58,702 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 15:07:58,703 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 15:07:58,703 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 15:07:58,704 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 15:07:58,705 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 15:07:58,706 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 15:07:58,707 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 15:07:58,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 15:07:58,708 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 15:07:58,710 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 15:07:58,712 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 15:07:58,714 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 15:07:58,715 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 15:07:58,716 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 15:07:58,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 15:07:58,719 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 15:07:58,719 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 15:07:58,720 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 15:07:58,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 15:07:58,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 15:07:58,723 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 15:07:58,724 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 15:07:58,724 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 15:07:58,725 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 15:07:58,725 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 15:07:58,725 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 15:07:58,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 15:07:58,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 15:07:58,727 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 15:07:58,743 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 15:07:58,743 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 15:07:58,744 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 15:07:58,744 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 15:07:58,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 15:07:58,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 15:07:58,745 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 15:07:58,745 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 15:07:58,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 15:07:58,746 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 15:07:58,746 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 15:07:58,746 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 15:07:58,746 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 15:07:58,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 15:07:58,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 15:07:58,747 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 15:07:58,747 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 15:07:58,747 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 15:07:58,748 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 15:07:58,748 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 15:07:58,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 15:07:58,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 15:07:58,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 15:07:58,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 15:07:58,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 15:07:58,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 15:07:58,749 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 15:07:58,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 15:07:58,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 15:07:58,750 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 15:07:58,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 15:07:58,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 15:07:58,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 15:07:58,820 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 15:07:58,821 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 15:07:58,821 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2018-10-04 15:07:58,822 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2018-10-04 15:07:58,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 15:07:58,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 15:07:58,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 15:07:58,869 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 15:07:58,869 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 15:07:58,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... [2018-10-04 15:07:58,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... [2018-10-04 15:07:58,909 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 15:07:58,909 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 15:07:58,909 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 15:07:58,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 15:07:58,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 15:07:58,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 15:07:58,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 15:07:58,924 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... [2018-10-04 15:07:58,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... [2018-10-04 15:07:58,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... [2018-10-04 15:07:58,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... [2018-10-04 15:07:58,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... [2018-10-04 15:07:58,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... [2018-10-04 15:07:58,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... [2018-10-04 15:07:58,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 15:07:58,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 15:07:58,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 15:07:58,936 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 15:07:58,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:07:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 15:07:59,012 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2018-10-04 15:07:59,013 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2018-10-04 15:07:59,013 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2018-10-04 15:07:59,090 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-04 15:07:59,277 INFO L338 CfgBuilder]: Using library mode [2018-10-04 15:07:59,278 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 03:07:59 BoogieIcfgContainer [2018-10-04 15:07:59,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 15:07:59,279 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 15:07:59,279 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 15:07:59,291 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 15:07:59,292 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 03:07:59" (1/1) ... [2018-10-04 15:07:59,311 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 15:07:59,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:07:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 15:07:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 15:07:59,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 15:07:59,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:07:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:07:59,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:07:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:07:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:07:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-04 15:07:59,915 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-04 15:07:59,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 15:07:59,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:07:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:07:59,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:01,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:01,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-10-04 15:08:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-10-04 15:08:01,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 15:08:01,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:01,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 13 states and 25 transitions. [2018-10-04 15:08:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 25 transitions. [2018-10-04 15:08:02,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 15:08:02,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:02,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:02,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2018-10-04 15:08:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2018-10-04 15:08:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 15:08:04,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:04,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:06,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2018-10-04 15:08:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2018-10-04 15:08:06,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 15:08:06,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:06,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:07,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:07,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2018-10-04 15:08:07,254 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2018-10-04 15:08:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 15:08:07,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:07,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:09,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 45 transitions. [2018-10-04 15:08:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 45 transitions. [2018-10-04 15:08:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 15:08:09,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:09,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:11,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 50 transitions. [2018-10-04 15:08:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 50 transitions. [2018-10-04 15:08:11,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 15:08:11,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:11,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:11,434 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:12,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:12,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 28 states and 54 transitions. [2018-10-04 15:08:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 54 transitions. [2018-10-04 15:08:12,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 15:08:12,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:12,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2018-10-04 15:08:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2018-10-04 15:08:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 15:08:14,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:14,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:16,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2018-10-04 15:08:16,662 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2018-10-04 15:08:16,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 15:08:16,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:16,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:16,954 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-10-04 15:08:19,240 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-10-04 15:08:19,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 15:08:19,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:19,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:19,559 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:23,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-10-04 15:08:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-10-04 15:08:23,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 15:08:23,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:23,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:23,483 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:27,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:27,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2018-10-04 15:08:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2018-10-04 15:08:27,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 15:08:27,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:27,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:30,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:30,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 45 states and 89 transitions. [2018-10-04 15:08:30,781 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2018-10-04 15:08:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 15:08:30,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:30,861 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 48 states and 95 transitions. [2018-10-04 15:08:34,724 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2018-10-04 15:08:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 15:08:34,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:34,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:38,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:38,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 51 states and 101 transitions. [2018-10-04 15:08:38,712 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2018-10-04 15:08:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 15:08:38,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:38,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:39,121 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:42,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2018-10-04 15:08:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2018-10-04 15:08:42,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 15:08:42,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:42,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:46,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2018-10-04 15:08:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2018-10-04 15:08:46,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 15:08:46,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:46,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:52,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:52,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 117 transitions. [2018-10-04 15:08:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 117 transitions. [2018-10-04 15:08:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 15:08:52,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:52,282 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:08:57,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:08:57,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 123 transitions. [2018-10-04 15:08:57,701 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 123 transitions. [2018-10-04 15:08:57,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 15:08:57,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:08:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:08:57,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:08:58,359 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:03,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:03,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 129 transitions. [2018-10-04 15:09:03,446 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 129 transitions. [2018-10-04 15:09:03,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 15:09:03,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:03,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 68 states and 134 transitions. [2018-10-04 15:09:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 134 transitions. [2018-10-04 15:09:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 15:09:08,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:08,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:09,223 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:12,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:12,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 138 transitions. [2018-10-04 15:09:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2018-10-04 15:09:12,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 15:09:12,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:12,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:13,229 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:16,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2018-10-04 15:09:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2018-10-04 15:09:16,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 15:09:16,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:16,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:21,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:21,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 74 states and 146 transitions. [2018-10-04 15:09:21,054 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2018-10-04 15:09:21,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 15:09:21,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:21,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:21,943 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 76 states and 150 transitions. [2018-10-04 15:09:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 150 transitions. [2018-10-04 15:09:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 15:09:25,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:26,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:26,356 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:30,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:30,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 154 transitions. [2018-10-04 15:09:30,475 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 154 transitions. [2018-10-04 15:09:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 15:09:30,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:30,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 80 states and 158 transitions. [2018-10-04 15:09:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2018-10-04 15:09:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 15:09:35,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:35,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:40,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:40,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 82 states and 162 transitions. [2018-10-04 15:09:40,130 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 162 transitions. [2018-10-04 15:09:40,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 15:09:40,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:40,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:41,288 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:47,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2018-10-04 15:09:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2018-10-04 15:09:47,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 15:09:47,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:48,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:09:58,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:09:58,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2018-10-04 15:09:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2018-10-04 15:09:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 15:09:58,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:09:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:09:58,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:09:59,245 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:10:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:10:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2018-10-04 15:10:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2018-10-04 15:10:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 15:10:06,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:10:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:10:06,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:10:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:10:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:10:12,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2018-10-04 15:10:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2018-10-04 15:10:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 15:10:12,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:10:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:10:13,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:10:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:10:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:10:24,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 94 states and 187 transitions. [2018-10-04 15:10:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 187 transitions. [2018-10-04 15:10:24,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 15:10:24,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:10:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:10:24,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:10:25,220 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:10:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:10:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 97 states and 192 transitions. [2018-10-04 15:10:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 192 transitions. [2018-10-04 15:10:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 15:10:33,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:10:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:10:33,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:10:34,704 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:10:40,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:10:40,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 99 states and 196 transitions. [2018-10-04 15:10:40,876 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 196 transitions. [2018-10-04 15:10:40,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 15:10:40,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:10:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:10:41,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:10:42,464 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:10:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:10:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 201 transitions. [2018-10-04 15:10:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2018-10-04 15:10:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 15:10:51,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:10:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:10:52,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:10:52,936 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:11:05,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:11:05,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2018-10-04 15:11:05,189 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2018-10-04 15:11:05,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 15:11:05,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:11:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:11:06,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:11:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:11:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:11:19,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 107 states and 213 transitions. [2018-10-04 15:11:19,923 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 213 transitions. [2018-10-04 15:11:19,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 15:11:19,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:11:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:11:21,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:11:21,855 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:11:35,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:11:35,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 110 states and 219 transitions. [2018-10-04 15:11:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 219 transitions. [2018-10-04 15:11:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 15:11:35,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:11:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:11:37,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:11:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:11:51,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:11:51,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 113 states and 225 transitions. [2018-10-04 15:11:51,907 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 225 transitions. [2018-10-04 15:11:51,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 15:11:51,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:11:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:11:52,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:11:52,728 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:12:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:12:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 116 states and 230 transitions. [2018-10-04 15:12:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2018-10-04 15:12:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 15:12:03,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:12:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:12:05,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:12:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:12:18,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:12:18,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 118 states and 235 transitions. [2018-10-04 15:12:18,195 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2018-10-04 15:12:18,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 15:12:18,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:12:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:12:18,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 15:12:19,164 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... [2018-10-04 15:12:31,605 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 04.10 03:12:31 ImpRootNode [2018-10-04 15:12:31,605 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-04 15:12:31,606 INFO L168 Benchmark]: Toolchain (without parser) took 272739.06 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -288.4 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 445.4 MB). Peak memory consumption was 157.1 MB. Max. memory is 7.1 GB. [2018-10-04 15:12:31,608 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-04 15:12:31,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.66 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. [2018-10-04 15:12:31,609 INFO L168 Benchmark]: Boogie Preprocessor took 22.37 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. [2018-10-04 15:12:31,610 INFO L168 Benchmark]: RCFGBuilder took 342.93 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. [2018-10-04 15:12:31,611 INFO L168 Benchmark]: CodeCheck took 272326.03 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -288.4 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 424.3 MB). Peak memory consumption was 135.9 MB. Max. memory is 7.1 GB. [2018-10-04 15:12:31,615 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, 272.2s 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, 289.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13837 GetRequests, 12056 SyntacticMatches, 1145 SemanticMatches, 636 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 238.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 11.4s SatisfiabilityAnalysisTime, 20.2s 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 0.19 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 43.66 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 22.37 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 342.93 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 272326.03 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -288.4 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 424.3 MB). Peak memory consumption was 135.9 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-0-2018-10-04_15-12-31-627.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-0-2018-10-04_15-12-31-627.csv Completed graceful shutdown