java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:33:39,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:33:39,117 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:33:39,129 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:33:39,129 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:33:39,130 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:33:39,131 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:33:39,134 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:33:39,139 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:33:39,140 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:33:39,144 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:33:39,144 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:33:39,145 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:33:39,146 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:33:39,149 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:33:39,150 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:33:39,151 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:33:39,156 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:33:39,160 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:33:39,164 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:33:39,166 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:33:39,167 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:33:39,171 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:33:39,171 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:33:39,172 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:33:39,175 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:33:39,176 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:33:39,177 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:33:39,178 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:33:39,180 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:33:39,181 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:33:39,182 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:33:39,182 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:33:39,183 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:33:39,185 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:33:39,185 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:33:39,186 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-26 22:33:39,200 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:33:39,201 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:33:39,201 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:33:39,202 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:33:39,202 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:33:39,202 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:33:39,203 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:33:39,203 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:33:39,203 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:33:39,203 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:33:39,203 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:33:39,203 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:33:39,204 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:33:39,204 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:33:39,204 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:33:39,204 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:33:39,204 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:33:39,205 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:33:39,205 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:33:39,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:33:39,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:33:39,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:33:39,206 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:33:39,206 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:33:39,206 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:33:39,206 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:33:39,207 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:33:39,207 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:33:39,207 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:33:39,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:33:39,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:33:39,281 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:33:39,282 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:33:39,283 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:33:39,284 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2018-09-26 22:33:39,284 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2018-09-26 22:33:39,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:33:39,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:33:39,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:33:39,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:33:39,348 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:33:39,368 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,378 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,382 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:33:39,383 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:33:39,383 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:33:39,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:33:39,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:33:39,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:33:39,386 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:33:39,398 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,399 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,399 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,399 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,402 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,406 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,407 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:33:39,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:33:39,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:33:39,410 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:33:39,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:33:39" (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 22:33:39,501 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2018-09-26 22:33:39,502 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2018-09-26 22:33:39,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2018-09-26 22:33:39,572 WARN L639 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-09-26 22:33:39,723 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:33:39,723 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:33:39 BoogieIcfgContainer [2018-09-26 22:33:39,724 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:33:39,724 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:33:39,724 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:33:39,737 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:33:39,737 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 10:33:39" (1/1) ... [2018-09-26 22:33:39,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:33:39,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:39,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:33:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:33:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:33:39,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:39,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:40,126 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-09-26 22:33:40,242 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 22:33:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:40,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-26 22:33:40,387 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-26 22:33:40,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:33:40,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:40,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:40,602 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 22:33:40,909 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2018-09-26 22:33:41,621 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-09-26 22:33:41,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:41,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-09-26 22:33:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-09-26 22:33:41,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:33:41,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:41,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:42,000 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 22:33:42,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:42,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2018-09-26 22:33:42,586 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2018-09-26 22:33:42,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:33:42,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:42,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:42,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:33:43,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2018-09-26 22:33:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2018-09-26 22:33:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:33:43,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:43,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:43,883 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 22:33:44,477 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-26 22:33:44,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:44,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2018-09-26 22:33:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2018-09-26 22:33:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:33:44,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:44,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:45,036 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 22:33:46,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2018-09-26 22:33:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2018-09-26 22:33:46,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:33:46,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:46,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:46,308 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 22:33:47,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:47,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-09-26 22:33:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-09-26 22:33:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:33:47,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:47,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:47,596 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 22:33:48,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:48,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-09-26 22:33:48,425 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-09-26 22:33:48,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:33:48,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:48,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:48,769 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 22:33:49,246 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-09-26 22:33:50,672 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-09-26 22:33:50,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2018-09-26 22:33:50,917 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2018-09-26 22:33:50,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:33:50,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:50,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:51,927 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 22:33:53,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:53,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2018-09-26 22:33:53,215 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2018-09-26 22:33:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:33:53,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:53,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:53,557 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 22:33:54,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:54,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2018-09-26 22:33:54,980 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2018-09-26 22:33:54,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:33:54,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:55,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:55,386 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 22:33:55,721 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2018-09-26 22:33:56,590 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-09-26 22:33:57,008 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-09-26 22:33:57,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:33:57,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2018-09-26 22:33:57,388 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2018-09-26 22:33:57,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:33:57,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:33:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:33:57,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:33:57,830 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 22:33:59,102 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-09-26 22:33:59,616 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 22:34:00,378 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-09-26 22:34:00,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:00,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-09-26 22:34:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-09-26 22:34:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:34:00,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:00,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:01,068 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 22:34:02,267 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-26 22:34:02,842 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 22:34:03,337 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-09-26 22:34:03,753 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-26 22:34:03,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:03,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-09-26 22:34:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-09-26 22:34:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:34:03,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:03,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:04,515 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 22:34:05,655 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-26 22:34:06,116 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 22:34:06,633 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-26 22:34:07,049 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-26 22:34:07,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:07,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2018-09-26 22:34:07,074 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2018-09-26 22:34:07,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:34:07,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:07,157 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:07,651 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 22:34:08,482 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-26 22:34:09,199 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-26 22:34:09,728 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-09-26 22:34:10,269 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-26 22:34:10,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:10,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2018-09-26 22:34:10,290 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2018-09-26 22:34:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:34:10,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:10,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:11,028 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 22:34:12,725 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 22:34:13,485 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-26 22:34:14,068 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-09-26 22:34:14,585 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-26 22:34:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2018-09-26 22:34:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2018-09-26 22:34:14,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:34:14,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:14,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:15,383 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 22:34:17,317 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-09-26 22:34:18,165 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-09-26 22:34:18,800 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-26 22:34:19,390 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-26 22:34:19,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:19,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2018-09-26 22:34:19,413 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2018-09-26 22:34:19,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:34:19,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:19,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:21,914 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-09-26 22:34:22,578 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-26 22:34:23,279 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 22:34:23,940 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 22:34:23,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:23,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2018-09-26 22:34:23,958 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2018-09-26 22:34:23,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:34:23,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:24,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:24,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:25,924 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-09-26 22:34:26,661 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-26 22:34:27,381 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-26 22:34:28,044 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-26 22:34:28,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:28,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 55 states and 108 transitions. [2018-09-26 22:34:28,064 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 108 transitions. [2018-09-26 22:34:28,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:34:28,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:28,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:29,931 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-09-26 22:34:30,735 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-09-26 22:34:31,552 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-26 22:34:32,338 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 22:34:32,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:32,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2018-09-26 22:34:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2018-09-26 22:34:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:34:32,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:32,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:34,392 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-26 22:34:35,228 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-09-26 22:34:36,055 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-26 22:34:36,829 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-26 22:34:36,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2018-09-26 22:34:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2018-09-26 22:34:36,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:34:36,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:37,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:38,456 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:39,201 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 46 [2018-09-26 22:34:39,919 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-09-26 22:34:41,255 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-09-26 22:34:42,104 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-26 22:34:42,924 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-26 22:34:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2018-09-26 22:34:42,945 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2018-09-26 22:34:42,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:34:42,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:43,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:46,432 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-09-26 22:34:47,380 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-09-26 22:34:48,317 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-26 22:34:49,221 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 22:34:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 126 transitions. [2018-09-26 22:34:49,250 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 126 transitions. [2018-09-26 22:34:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:34:49,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:49,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:50,762 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:34:51,580 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 25 [2018-09-26 22:34:52,419 WARN L178 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-09-26 22:34:53,857 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-26 22:34:54,881 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-26 22:34:55,832 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-26 22:34:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:34:55,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 131 transitions. [2018-09-26 22:34:55,858 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2018-09-26 22:34:55,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:34:55,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:34:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:34:56,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:34:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:00,472 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-26 22:35:01,968 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-26 22:35:03,059 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-26 22:35:04,111 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-26 22:35:04,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:04,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2018-09-26 22:35:04,145 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2018-09-26 22:35:04,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:35:04,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:04,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:35:05,786 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:08,172 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-26 22:35:09,370 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-26 22:35:10,535 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 22:35:11,658 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-09-26 22:35:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2018-09-26 22:35:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2018-09-26 22:35:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:35:11,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:12,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:35:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:16,037 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 25 [2018-09-26 22:35:17,004 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 22:35:18,727 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-09-26 22:35:19,921 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-26 22:35:21,137 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-09-26 22:35:21,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:21,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 147 transitions. [2018-09-26 22:35:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2018-09-26 22:35:21,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:35:21,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:21,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:35:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:26,365 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-26 22:35:27,766 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-09-26 22:35:28,995 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-26 22:35:30,278 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-09-26 22:35:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 152 transitions. [2018-09-26 22:35:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 152 transitions. [2018-09-26 22:35:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:35:30,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:30,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:35:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:33,826 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2018-09-26 22:35:35,321 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-09-26 22:35:36,641 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-26 22:35:37,996 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-26 22:35:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 79 states and 156 transitions. [2018-09-26 22:35:38,031 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 156 transitions. [2018-09-26 22:35:38,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:35:38,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:38,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:35:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:42,484 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 32 [2018-09-26 22:35:43,658 WARN L178 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 22:35:45,754 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-09-26 22:35:47,115 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 22:35:48,552 WARN L178 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-09-26 22:35:48,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:35:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2018-09-26 22:35:48,592 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2018-09-26 22:35:48,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:35:48,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:35:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:35:49,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:35:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:35:54,920 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 18 [2018-09-26 22:35:56,148 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-09-26 22:35:58,329 WARN L178 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-26 22:36:00,083 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-26 22:36:01,610 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-26 22:36:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:01,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2018-09-26 22:36:01,643 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2018-09-26 22:36:01,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:36:01,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:02,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:36:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:08,247 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 18 [2018-09-26 22:36:09,554 WARN L178 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-26 22:36:11,864 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-09-26 22:36:13,416 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-26 22:36:15,058 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-09-26 22:36:15,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:15,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2018-09-26 22:36:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2018-09-26 22:36:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:36:15,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:15,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:36:19,499 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:22,914 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 22:36:24,784 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-09-26 22:36:26,410 WARN L178 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-26 22:36:28,157 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-09-26 22:36:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:28,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2018-09-26 22:36:28,193 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2018-09-26 22:36:28,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:36:28,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:28,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:28,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:36:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:33,095 WARN L178 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-09-26 22:36:35,015 WARN L178 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-09-26 22:36:36,713 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-26 22:36:38,521 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-09-26 22:36:38,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:38,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2018-09-26 22:36:38,550 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2018-09-26 22:36:38,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:36:38,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:38,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:36:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:43,546 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-26 22:36:45,534 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2018-09-26 22:36:47,275 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-09-26 22:36:49,175 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-09-26 22:36:49,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:36:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 94 states and 186 transitions. [2018-09-26 22:36:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2018-09-26 22:36:49,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:36:49,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:36:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:36:49,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:36:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:36:54,613 WARN L178 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-09-26 22:36:56,730 WARN L178 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-09-26 22:36:58,591 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-09-26 22:37:00,599 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-09-26 22:37:00,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:37:00,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 96 states and 190 transitions. [2018-09-26 22:37:00,644 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 190 transitions. [2018-09-26 22:37:00,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:37:00,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:37:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:37:01,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:37:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:37:06,213 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2018-09-26 22:37:07,868 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-09-26 22:37:10,855 WARN L178 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2018-09-26 22:37:12,722 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-09-26 22:37:14,738 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2018-09-26 22:37:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:37:14,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 98 states and 195 transitions. [2018-09-26 22:37:14,786 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2018-09-26 22:37:14,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:37:14,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:37:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:37:14,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:37:18,252 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:37:22,536 WARN L178 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-26 22:37:24,773 WARN L178 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-26 22:37:26,731 WARN L178 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-09-26 22:37:28,856 WARN L178 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-09-26 22:37:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:37:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 200 transitions. [2018-09-26 22:37:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 200 transitions. [2018-09-26 22:37:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:37:28,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:37:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:37:30,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:37:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:37:35,688 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 25 [2018-09-26 22:37:37,412 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-26 22:37:40,528 WARN L178 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2018-09-26 22:37:42,530 WARN L178 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-09-26 22:37:44,717 WARN L178 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-26 22:37:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:37:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2018-09-26 22:37:44,758 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2018-09-26 22:37:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 22:37:44,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:37:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:37:44,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:37:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:37:53,963 WARN L178 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-26 22:37:56,381 WARN L178 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-09-26 22:37:58,521 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-09-26 22:38:00,854 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-09-26 22:38:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:38:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 106 states and 210 transitions. [2018-09-26 22:38:00,897 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 210 transitions. [2018-09-26 22:38:00,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:38:00,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:38:01,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:38:01,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-26 22:38:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:38:07,242 WARN L178 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 329 Received shutdown request... [2018-09-26 22:38:09,052 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:38:09,054 INFO L168 Benchmark]: Toolchain (without parser) took 269709.70 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -55.1 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 78.6 MB). Peak memory consumption was 551.4 MB. Max. memory is 7.1 GB. [2018-09-26 22:38:09,055 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:38:09,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:38:09,056 INFO L168 Benchmark]: Boogie Preprocessor took 22.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:38:09,056 INFO L168 Benchmark]: RCFGBuilder took 314.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:38:09,057 INFO L168 Benchmark]: CodeCheck took 269329.12 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -55.1 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 57.4 MB). Peak memory consumption was 530.3 MB. Max. memory is 7.1 GB. [2018-09-26 22:38:09,059 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 524 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.44 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.76 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 314.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 269329.12 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -55.1 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 57.4 MB). Peak memory consumption was 530.3 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.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-38-09-069.csv Completed graceful shutdown