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/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-00a8621 [2018-09-30 11:10:19,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 11:10:19,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 11:10:19,488 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 11:10:19,489 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 11:10:19,490 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 11:10:19,491 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 11:10:19,493 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 11:10:19,495 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 11:10:19,496 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 11:10:19,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 11:10:19,497 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 11:10:19,498 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 11:10:19,499 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 11:10:19,500 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 11:10:19,501 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 11:10:19,501 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 11:10:19,503 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 11:10:19,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 11:10:19,507 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 11:10:19,508 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 11:10:19,510 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 11:10:19,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 11:10:19,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 11:10:19,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 11:10:19,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 11:10:19,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 11:10:19,516 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 11:10:19,517 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 11:10:19,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 11:10:19,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 11:10:19,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 11:10:19,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 11:10:19,520 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 11:10:19,521 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 11:10:19,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 11:10:19,522 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 [2018-09-30 11:10:19,540 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 11:10:19,540 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 11:10:19,541 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 11:10:19,541 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 11:10:19,542 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 11:10:19,542 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 11:10:19,542 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 11:10:19,543 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 11:10:19,543 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 11:10:19,543 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 11:10:19,543 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 11:10:19,543 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 11:10:19,544 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 11:10:19,544 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 11:10:19,544 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 11:10:19,544 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 11:10:19,546 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 11:10:19,546 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 11:10:19,546 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 11:10:19,546 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 11:10:19,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 11:10:19,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:10:19,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 11:10:19,547 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 11:10:19,548 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 11:10:19,548 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 11:10:19,548 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 11:10:19,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 11:10:19,549 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 11:10:19,613 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 11:10:19,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 11:10:19,636 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 11:10:19,639 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 11:10:19,639 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 11:10:19,640 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-09-30 11:10:19,641 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-09-30 11:10:19,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 11:10:19,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 11:10:19,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 11:10:19,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 11:10:19,700 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 11:10:19,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... [2018-09-30 11:10:19,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... [2018-09-30 11:10:19,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 11:10:19,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 11:10:19,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 11:10:19,739 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 11:10:19,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... [2018-09-30 11:10:19,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... [2018-09-30 11:10:19,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... [2018-09-30 11:10:19,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... [2018-09-30 11:10:19,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... [2018-09-30 11:10:19,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... [2018-09-30 11:10:19,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... [2018-09-30 11:10:19,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 11:10:19,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 11:10:19,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 11:10:19,760 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 11:10:19,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 11:10:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 11:10:19,837 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 11:10:19,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 11:10:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 11:10:20,120 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 11:10:20,121 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:10:20 BoogieIcfgContainer [2018-09-30 11:10:20,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 11:10:20,122 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 11:10:20,122 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 11:10:20,135 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 11:10:20,135 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 11:10:20" (1/1) ... [2018-09-30 11:10:20,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 11:10:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:20,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 11:10:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 11:10:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 11:10:20,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:20,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:20,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:20,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2018-09-30 11:10:20,709 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2018-09-30 11:10:20,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 11:10:20,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:20,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:20,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:21,016 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 12 [2018-09-30 11:10:21,243 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-30 11:10:21,533 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-09-30 11:10:21,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:21,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-30 11:10:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-30 11:10:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 11:10:21,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:21,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:22,041 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 12 [2018-09-30 11:10:22,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:22,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-30 11:10:22,508 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-30 11:10:22,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 11:10:22,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:22,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:22,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:23,262 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-09-30 11:10:23,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-30 11:10:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-30 11:10:23,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 11:10:23,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:23,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:23,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:23,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:24,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:24,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-09-30 11:10:24,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-09-30 11:10:24,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 11:10:24,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:24,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:24,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-09-30 11:10:24,879 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-09-30 11:10:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 11:10:24,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:24,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:25,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:25,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2018-09-30 11:10:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2018-09-30 11:10:25,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 11:10:25,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:25,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-09-30 11:10:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-09-30 11:10:27,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 11:10:27,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:27,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:27,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:27,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-09-30 11:10:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-09-30 11:10:27,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 11:10:27,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:28,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:30,131 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-09-30 11:10:30,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-09-30 11:10:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-09-30 11:10:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 11:10:30,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:30,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:32,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-09-30 11:10:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-09-30 11:10:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 11:10:32,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:32,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:33,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-09-30 11:10:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-09-30 11:10:33,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 11:10:33,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:33,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:34,042 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:35,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:35,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-09-30 11:10:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-09-30 11:10:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 11:10:35,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:35,431 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:36,394 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-09-30 11:10:37,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2018-09-30 11:10:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2018-09-30 11:10:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 11:10:37,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:37,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:38,293 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-30 11:10:38,717 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-09-30 11:10:38,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:38,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2018-09-30 11:10:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2018-09-30 11:10:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 11:10:38,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:38,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:40,091 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-30 11:10:40,640 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-30 11:10:40,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2018-09-30 11:10:40,785 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2018-09-30 11:10:40,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 11:10:40,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:40,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:41,033 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:42,150 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-09-30 11:10:42,662 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-30 11:10:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:42,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-09-30 11:10:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-09-30 11:10:42,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 11:10:42,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:42,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:42,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:44,428 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-30 11:10:44,993 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-30 11:10:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:45,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 36 states and 51 transitions. [2018-09-30 11:10:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 51 transitions. [2018-09-30 11:10:45,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 11:10:45,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:45,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:45,459 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:46,754 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-30 11:10:47,558 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-30 11:10:47,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:47,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2018-09-30 11:10:47,801 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2018-09-30 11:10:47,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 11:10:47,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:47,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:49,483 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-30 11:10:50,284 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-30 11:10:50,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2018-09-30 11:10:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2018-09-30 11:10:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 11:10:50,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:50,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:52,355 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-30 11:10:53,034 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-30 11:10:53,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2018-09-30 11:10:53,248 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2018-09-30 11:10:53,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 11:10:53,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:53,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:53,616 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:54,955 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-30 11:10:55,706 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-30 11:10:55,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 44 states and 63 transitions. [2018-09-30 11:10:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2018-09-30 11:10:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 11:10:55,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:55,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:56,323 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:10:58,104 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-09-30 11:10:58,891 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-30 11:10:59,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:10:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 66 transitions. [2018-09-30 11:10:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 66 transitions. [2018-09-30 11:10:59,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 11:10:59,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:10:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:10:59,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:10:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:00,946 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-30 11:11:01,815 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-30 11:11:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 48 states and 69 transitions. [2018-09-30 11:11:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2018-09-30 11:11:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 11:11:02,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:02,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:02,646 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:04,271 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-09-30 11:11:05,192 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-30 11:11:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 72 transitions. [2018-09-30 11:11:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2018-09-30 11:11:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 11:11:05,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:05,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:05,872 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:07,652 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-30 11:11:08,667 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-30 11:11:08,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2018-09-30 11:11:08,903 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2018-09-30 11:11:08,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 11:11:08,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:08,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:11,342 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-30 11:11:12,424 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-30 11:11:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:12,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2018-09-30 11:11:12,681 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2018-09-30 11:11:12,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 11:11:12,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:12,756 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:15,005 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-09-30 11:11:16,111 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-30 11:11:16,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 56 states and 81 transitions. [2018-09-30 11:11:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 81 transitions. [2018-09-30 11:11:16,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 11:11:16,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:16,421 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:16,863 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:19,015 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-30 11:11:20,165 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-30 11:11:20,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:20,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2018-09-30 11:11:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2018-09-30 11:11:20,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 11:11:20,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:20,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:20,986 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:23,174 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-30 11:11:24,398 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-09-30 11:11:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:24,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 87 transitions. [2018-09-30 11:11:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions. [2018-09-30 11:11:24,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 11:11:24,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:24,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:26,030 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:27,635 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 13 [2018-09-30 11:11:28,384 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-30 11:11:29,688 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-30 11:11:29,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:29,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 90 transitions. [2018-09-30 11:11:29,996 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 90 transitions. [2018-09-30 11:11:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 11:11:29,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:30,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:32,857 WARN L178 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-30 11:11:34,332 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-30 11:11:34,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 64 states and 93 transitions. [2018-09-30 11:11:34,640 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 93 transitions. [2018-09-30 11:11:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 11:11:34,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:34,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:35,177 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:37,471 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-30 11:11:38,918 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-30 11:11:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:39,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 66 states and 96 transitions. [2018-09-30 11:11:39,249 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 96 transitions. [2018-09-30 11:11:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 11:11:39,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:39,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:42,308 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-30 11:11:43,827 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-30 11:11:44,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:44,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2018-09-30 11:11:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2018-09-30 11:11:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 11:11:44,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:44,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:47,908 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-09-30 11:11:49,653 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-09-30 11:11:50,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:50,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2018-09-30 11:11:50,025 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2018-09-30 11:11:50,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 11:11:50,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:50,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:53,334 WARN L178 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2018-09-30 11:11:55,014 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-09-30 11:11:55,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:11:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2018-09-30 11:11:55,665 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2018-09-30 11:11:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 11:11:55,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:11:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:11:55,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:11:56,779 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:11:59,685 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-30 11:12:01,396 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-30 11:12:01,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:01,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2018-09-30 11:12:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2018-09-30 11:12:01,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 11:12:01,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:01,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:12:02,470 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:05,432 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-30 11:12:07,252 WARN L178 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-09-30 11:12:07,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:07,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2018-09-30 11:12:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2018-09-30 11:12:07,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 11:12:07,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:07,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:12:08,330 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:10,549 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 13 [2018-09-30 11:12:11,442 WARN L178 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-09-30 11:12:13,265 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-30 11:12:13,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:13,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2018-09-30 11:12:13,724 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2018-09-30 11:12:13,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 11:12:13,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:13,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:12:14,491 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:16,677 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 13 [2018-09-30 11:12:17,612 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-30 11:12:19,571 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-30 11:12:20,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:20,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2018-09-30 11:12:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2018-09-30 11:12:20,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 11:12:20,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:20,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:12:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:23,129 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 13 [2018-09-30 11:12:24,221 WARN L178 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2018-09-30 11:12:26,212 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-30 11:12:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:26,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 120 transitions. [2018-09-30 11:12:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2018-09-30 11:12:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 11:12:26,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:26,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:12:27,534 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:29,880 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 13 [2018-09-30 11:12:30,903 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-30 11:12:33,018 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-30 11:12:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:33,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 123 transitions. [2018-09-30 11:12:33,492 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 123 transitions. [2018-09-30 11:12:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 11:12:33,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:33,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:12:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:37,827 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 13 [2018-09-30 11:12:38,847 WARN L178 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 294 [2018-09-30 11:12:41,121 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-09-30 11:12:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 86 states and 126 transitions. [2018-09-30 11:12:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2018-09-30 11:12:41,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 11:12:41,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:41,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:12:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:44,923 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 13 [2018-09-30 11:12:46,002 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-09-30 11:12:48,243 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-30 11:12:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2018-09-30 11:12:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2018-09-30 11:12:48,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 11:12:48,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:48,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:12:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:52,350 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 13 [2018-09-30 11:12:53,454 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-30 11:12:55,796 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-30 11:12:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:12:56,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 90 states and 132 transitions. [2018-09-30 11:12:56,367 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2018-09-30 11:12:56,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 11:12:56,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:12:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:12:56,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:12:57,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:12:59,870 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 13 [2018-09-30 11:13:01,040 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2018-09-30 11:13:03,457 WARN L178 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-30 11:13:04,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:04,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2018-09-30 11:13:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2018-09-30 11:13:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 11:13:04,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:04,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:13:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:07,733 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 319 DAG size of output: 13 [2018-09-30 11:13:08,895 WARN L178 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-30 11:13:11,418 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-30 11:13:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 94 states and 138 transitions. [2018-09-30 11:13:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 138 transitions. [2018-09-30 11:13:11,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 11:13:11,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:12,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:13:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:15,753 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 13 [2018-09-30 11:13:16,985 WARN L178 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-30 11:13:19,589 WARN L178 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-09-30 11:13:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:20,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 96 states and 141 transitions. [2018-09-30 11:13:20,180 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2018-09-30 11:13:20,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 11:13:20,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:20,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:13:21,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:24,139 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 13 [2018-09-30 11:13:25,438 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-09-30 11:13:28,155 WARN L178 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 336 [2018-09-30 11:13:28,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:28,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 98 states and 144 transitions. [2018-09-30 11:13:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 144 transitions. [2018-09-30 11:13:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 11:13:28,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:28,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:13:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:32,732 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 13 [2018-09-30 11:13:34,033 WARN L178 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-30 11:13:36,844 WARN L178 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-30 11:13:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:37,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 100 states and 147 transitions. [2018-09-30 11:13:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 147 transitions. [2018-09-30 11:13:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 11:13:37,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:37,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:13:38,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:42,214 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 13 [2018-09-30 11:13:43,585 WARN L178 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-09-30 11:13:46,489 WARN L178 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 350 [2018-09-30 11:13:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:47,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2018-09-30 11:13:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2018-09-30 11:13:47,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 11:13:47,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:47,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:13:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:13:51,444 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 13 [2018-09-30 11:13:52,825 WARN L178 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-09-30 11:13:55,762 WARN L178 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-30 11:13:56,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:13:56,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 104 states and 153 transitions. [2018-09-30 11:13:56,455 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 153 transitions. [2018-09-30 11:13:56,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 11:13:56,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:13:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:13:56,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:13:57,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:00,765 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 13 [2018-09-30 11:14:02,237 WARN L178 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-30 11:14:05,248 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-09-30 11:14:05,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 106 states and 156 transitions. [2018-09-30 11:14:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 156 transitions. [2018-09-30 11:14:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 11:14:05,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:06,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:14:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:10,584 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 13 [2018-09-30 11:14:12,134 WARN L178 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 370 [2018-09-30 11:14:15,248 WARN L178 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-30 11:14:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 108 states and 159 transitions. [2018-09-30 11:14:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2018-09-30 11:14:15,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 11:14:15,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:16,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:16,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:14:17,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:20,657 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 13 [2018-09-30 11:14:22,224 WARN L178 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-09-30 11:14:25,559 WARN L178 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-30 11:14:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 110 states and 162 transitions. [2018-09-30 11:14:26,328 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 162 transitions. [2018-09-30 11:14:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 11:14:26,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:26,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:14:27,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:31,245 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 13 [2018-09-30 11:14:32,922 WARN L178 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-30 11:14:36,361 WARN L178 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2018-09-30 11:14:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 11:14:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2018-09-30 11:14:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2018-09-30 11:14:37,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 11:14:37,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 11:14:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 11:14:37,325 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 11:14:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 11:14:42,116 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 13 Received shutdown request... [2018-09-30 11:14:43,776 WARN L186 SmtUtils]: Removed 17 from assertion stack [2018-09-30 11:14:43,776 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 11:14:43,779 INFO L168 Benchmark]: Toolchain (without parser) took 264082.59 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 132.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 157.0 MB). Peak memory consumption was 289.6 MB. Max. memory is 7.1 GB. [2018-09-30 11:14:43,780 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.93 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:14:43,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:14:43,781 INFO L168 Benchmark]: Boogie Preprocessor took 19.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 11:14:43,781 INFO L168 Benchmark]: RCFGBuilder took 361.58 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 11:14:43,782 INFO L168 Benchmark]: CodeCheck took 263656.01 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 132.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 135.8 MB). Peak memory consumption was 268.5 MB. Max. memory is 7.1 GB. [2018-09-30 11:14:43,785 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 PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 390. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.93 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 38.81 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 19.94 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 361.58 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 263656.01 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 132.6 MB). Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 135.8 MB). Peak memory consumption was 268.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_11-14-43-796.csv Completed graceful shutdown