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/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:12:42,561 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:12:42,563 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:12:42,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:12:42,579 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:12:42,581 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:12:42,583 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:12:42,585 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:12:42,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:12:42,591 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:12:42,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:12:42,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:12:42,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:12:42,594 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:12:42,598 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:12:42,600 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:12:42,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:12:42,602 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:12:42,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:12:42,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:12:42,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:12:42,615 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:12:42,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:12:42,619 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:12:42,619 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:12:42,620 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:12:42,621 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:12:42,621 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:12:42,622 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:12:42,623 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:12:42,623 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:12:42,624 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:12:42,624 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:12:42,624 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:12:42,625 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:12:42,626 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:12:42,626 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 [2018-09-28 11:12:42,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:12:42,642 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:12:42,642 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:12:42,643 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:12:42,643 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:12:42,643 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:12:42,644 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:12:42,644 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:12:42,644 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:12:42,644 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:12:42,644 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:12:42,645 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:12:42,645 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:12:42,645 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:12:42,645 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:12:42,645 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:12:42,646 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:12:42,646 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:12:42,646 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:12:42,646 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:12:42,646 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:12:42,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:12:42,647 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:12:42,647 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:12:42,647 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:12:42,647 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:12:42,648 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:12:42,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:12:42,648 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:12:42,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:12:42,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:12:42,715 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:12:42,717 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:12:42,717 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:12:42,718 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl [2018-09-28 11:12:42,718 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg-ArraysIntegefied.bpl' [2018-09-28 11:12:42,764 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:12:42,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:12:42,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:12:42,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:12:42,769 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:12:42,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (1/1) ... [2018-09-28 11:12:42,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (1/1) ... [2018-09-28 11:12:42,804 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 11:12:42,804 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 11:12:42,805 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 11:12:42,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:12:42,808 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:12:42,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:12:42,808 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:12:42,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (1/1) ... [2018-09-28 11:12:42,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (1/1) ... [2018-09-28 11:12:42,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (1/1) ... [2018-09-28 11:12:42,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (1/1) ... [2018-09-28 11:12:42,823 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (1/1) ... [2018-09-28 11:12:42,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (1/1) ... [2018-09-28 11:12:42,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (1/1) ... [2018-09-28 11:12:42,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:12:42,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:12:42,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:12:42,831 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:12:42,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:12:42" (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 [2018-09-28 11:12:42,894 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-28 11:12:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-28 11:12:42,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-28 11:12:43,506 INFO L350 CfgBuilder]: Using library mode [2018-09-28 11:12:43,507 INFO L202 PluginConnector]: Adding new model Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:12:43 BoogieIcfgContainer [2018-09-28 11:12:43,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:12:43,508 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:12:43,508 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:12:43,519 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:12:43,520 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Luxembourg-ArraysIntegefied.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:12:43" (1/1) ... [2018-09-28 11:12:43,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 11:12:43,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-28 11:12:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-28 11:12:43,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-28 11:12:43,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:43,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:43,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-28 11:12:43,787 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-28 11:12:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:12:43,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:43,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:44,068 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-28 11:12:44,607 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-28 11:12:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-09-28 11:12:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-09-28 11:12:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:12:44,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:44,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:45,033 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 12 [2018-09-28 11:12:45,446 WARN L178 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2018-09-28 11:12:45,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:45,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 9 states and 16 transitions. [2018-09-28 11:12:45,580 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 16 transitions. [2018-09-28 11:12:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:12:45,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:45,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-09-28 11:12:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-09-28 11:12:46,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:12:46,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:46,272 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:46,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 11 states and 20 transitions. [2018-09-28 11:12:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 20 transitions. [2018-09-28 11:12:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:12:46,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:46,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:46,700 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2018-09-28 11:12:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2018-09-28 11:12:47,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:12:47,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:47,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-09-28 11:12:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-09-28 11:12:47,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:12:47,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:47,916 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 14 states and 26 transitions. [2018-09-28 11:12:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 26 transitions. [2018-09-28 11:12:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 11:12:48,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:48,576 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:49,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 15 states and 28 transitions. [2018-09-28 11:12:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 28 transitions. [2018-09-28 11:12:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:12:49,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:49,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:49,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 16 states and 30 transitions. [2018-09-28 11:12:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 30 transitions. [2018-09-28 11:12:49,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 11:12:49,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:49,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:50,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 17 states and 32 transitions. [2018-09-28 11:12:50,497 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 32 transitions. [2018-09-28 11:12:50,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:12:50,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:50,701 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2018-09-28 11:12:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2018-09-28 11:12:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 11:12:51,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:51,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:51,222 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:51,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:51,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2018-09-28 11:12:51,734 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2018-09-28 11:12:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:12:51,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:52,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:52,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-09-28 11:12:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-09-28 11:12:52,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 11:12:52,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:54,053 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2018-09-28 11:12:54,836 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2018-09-28 11:12:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:12:54,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:55,072 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 22 states and 42 transitions. [2018-09-28 11:12:55,574 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 42 transitions. [2018-09-28 11:12:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-28 11:12:55,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:55,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:56,059 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:56,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:56,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-09-28 11:12:56,483 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-09-28 11:12:56,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:12:56,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:56,825 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:57,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:57,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 24 states and 46 transitions. [2018-09-28 11:12:57,558 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 46 transitions. [2018-09-28 11:12:57,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-28 11:12:57,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:58,743 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:12:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:12:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-09-28 11:12:59,335 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-09-28 11:12:59,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:12:59,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:12:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:12:59,572 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 50 transitions. [2018-09-28 11:13:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 50 transitions. [2018-09-28 11:13:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-28 11:13:00,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:00,398 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:01,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2018-09-28 11:13:01,011 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2018-09-28 11:13:01,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:13:01,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:01,328 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:02,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:02,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 28 states and 54 transitions. [2018-09-28 11:13:02,021 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 54 transitions. [2018-09-28 11:13:02,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-28 11:13:02,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:02,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:03,015 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:03,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:03,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2018-09-28 11:13:03,503 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2018-09-28 11:13:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:13:03,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:04,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2018-09-28 11:13:04,615 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2018-09-28 11:13:04,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-28 11:13:04,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2018-09-28 11:13:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2018-09-28 11:13:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:13:05,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:05,936 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2018-09-28 11:13:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2018-09-28 11:13:06,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-28 11:13:06,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:06,855 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:07,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:07,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-09-28 11:13:07,568 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-09-28 11:13:07,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:13:07,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:09,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:09,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2018-09-28 11:13:09,809 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2018-09-28 11:13:09,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-28 11:13:09,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:09,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:10,515 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:11,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 68 transitions. [2018-09-28 11:13:11,115 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 68 transitions. [2018-09-28 11:13:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:13:11,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:12,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:12,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 36 states and 70 transitions. [2018-09-28 11:13:12,070 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 70 transitions. [2018-09-28 11:13:12,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-28 11:13:12,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:12,503 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2018-09-28 11:13:13,145 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2018-09-28 11:13:13,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:13:13,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 74 transitions. [2018-09-28 11:13:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 74 transitions. [2018-09-28 11:13:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 11:13:14,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:15,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:15,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 76 transitions. [2018-09-28 11:13:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2018-09-28 11:13:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:13:15,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:16,239 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 40 states and 78 transitions. [2018-09-28 11:13:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 78 transitions. [2018-09-28 11:13:16,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-28 11:13:16,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:16,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:18,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 80 transitions. [2018-09-28 11:13:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 80 transitions. [2018-09-28 11:13:18,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:13:18,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:20,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2018-09-28 11:13:20,071 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2018-09-28 11:13:20,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 11:13:20,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:20,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:21,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 84 transitions. [2018-09-28 11:13:21,747 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 84 transitions. [2018-09-28 11:13:21,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:13:21,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:23,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2018-09-28 11:13:23,176 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2018-09-28 11:13:23,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-28 11:13:23,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:25,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:25,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions. [2018-09-28 11:13:25,133 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions. [2018-09-28 11:13:25,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:13:25,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 90 transitions. [2018-09-28 11:13:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2018-09-28 11:13:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-28 11:13:26,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 47 states and 92 transitions. [2018-09-28 11:13:27,935 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 92 transitions. [2018-09-28 11:13:27,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:13:27,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:27,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2018-09-28 11:13:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2018-09-28 11:13:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-28 11:13:29,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:31,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 49 states and 96 transitions. [2018-09-28 11:13:31,127 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2018-09-28 11:13:31,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:13:31,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:31,604 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:32,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 50 states and 98 transitions. [2018-09-28 11:13:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 98 transitions. [2018-09-28 11:13:32,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-28 11:13:32,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:34,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 100 transitions. [2018-09-28 11:13:34,306 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 100 transitions. [2018-09-28 11:13:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:13:34,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:35,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:35,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 52 states and 102 transitions. [2018-09-28 11:13:35,954 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 102 transitions. [2018-09-28 11:13:35,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-28 11:13:35,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:37,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:37,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2018-09-28 11:13:37,362 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2018-09-28 11:13:37,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:13:37,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:37,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:38,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 106 transitions. [2018-09-28 11:13:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 106 transitions. [2018-09-28 11:13:38,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-28 11:13:38,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:39,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:40,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:40,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 55 states and 108 transitions. [2018-09-28 11:13:40,502 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 108 transitions. [2018-09-28 11:13:40,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:13:40,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:41,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:42,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:42,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 56 states and 110 transitions. [2018-09-28 11:13:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 110 transitions. [2018-09-28 11:13:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-28 11:13:42,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:43,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2018-09-28 11:13:43,456 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2018-09-28 11:13:43,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:13:43,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:44,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-09-28 11:13:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-09-28 11:13:45,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-28 11:13:45,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2018-09-28 11:13:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2018-09-28 11:13:47,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:13:47,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:48,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 60 states and 118 transitions. [2018-09-28 11:13:48,593 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 118 transitions. [2018-09-28 11:13:48,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-28 11:13:48,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 61 states and 120 transitions. [2018-09-28 11:13:50,366 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 120 transitions. [2018-09-28 11:13:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:13:50,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 62 states and 122 transitions. [2018-09-28 11:13:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 122 transitions. [2018-09-28 11:13:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-28 11:13:51,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:52,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:53,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2018-09-28 11:13:53,596 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2018-09-28 11:13:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:13:53,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:54,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 126 transitions. [2018-09-28 11:13:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 126 transitions. [2018-09-28 11:13:55,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-28 11:13:55,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:13:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:13:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 65 states and 128 transitions. [2018-09-28 11:13:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 128 transitions. [2018-09-28 11:13:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:13:57,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:13:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:13:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:00,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:00,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 66 states and 130 transitions. [2018-09-28 11:14:00,573 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 130 transitions. [2018-09-28 11:14:00,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-28 11:14:00,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:01,365 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 12 [2018-09-28 11:14:02,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2018-09-28 11:14:02,387 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2018-09-28 11:14:02,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:14:02,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:04,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 68 states and 134 transitions. [2018-09-28 11:14:04,216 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 134 transitions. [2018-09-28 11:14:04,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-28 11:14:04,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 69 states and 136 transitions. [2018-09-28 11:14:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 136 transitions. [2018-09-28 11:14:07,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 11:14:07,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:09,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 138 transitions. [2018-09-28 11:14:09,756 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 138 transitions. [2018-09-28 11:14:09,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-28 11:14:09,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:11,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:11,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 71 states and 140 transitions. [2018-09-28 11:14:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 140 transitions. [2018-09-28 11:14:11,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:14:11,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:13,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2018-09-28 11:14:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2018-09-28 11:14:13,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-28 11:14:13,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:15,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 73 states and 144 transitions. [2018-09-28 11:14:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 144 transitions. [2018-09-28 11:14:15,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:14:15,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 74 states and 146 transitions. [2018-09-28 11:14:17,597 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions. [2018-09-28 11:14:17,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-28 11:14:17,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:19,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 75 states and 148 transitions. [2018-09-28 11:14:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 148 transitions. [2018-09-28 11:14:19,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 11:14:19,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:22,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:22,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 76 states and 150 transitions. [2018-09-28 11:14:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 150 transitions. [2018-09-28 11:14:22,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-28 11:14:22,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:23,041 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:24,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 152 transitions. [2018-09-28 11:14:24,414 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 152 transitions. [2018-09-28 11:14:24,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:14:24,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:27,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:27,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 154 transitions. [2018-09-28 11:14:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 154 transitions. [2018-09-28 11:14:27,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-28 11:14:27,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 79 states and 156 transitions. [2018-09-28 11:14:29,125 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 156 transitions. [2018-09-28 11:14:29,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 11:14:29,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:29,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:31,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 80 states and 158 transitions. [2018-09-28 11:14:31,429 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2018-09-28 11:14:31,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-28 11:14:31,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:32,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:33,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 81 states and 160 transitions. [2018-09-28 11:14:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 160 transitions. [2018-09-28 11:14:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 11:14:33,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:33,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:34,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 82 states and 162 transitions. [2018-09-28 11:14:35,714 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 162 transitions. [2018-09-28 11:14:35,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-28 11:14:35,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:38,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:38,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 83 states and 164 transitions. [2018-09-28 11:14:38,068 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 164 transitions. [2018-09-28 11:14:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:14:38,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 84 states and 166 transitions. [2018-09-28 11:14:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions. [2018-09-28 11:14:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-28 11:14:40,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:42,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 85 states and 168 transitions. [2018-09-28 11:14:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 168 transitions. [2018-09-28 11:14:42,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 11:14:42,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:43,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:44,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 170 transitions. [2018-09-28 11:14:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 170 transitions. [2018-09-28 11:14:44,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-28 11:14:44,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:47,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 87 states and 172 transitions. [2018-09-28 11:14:47,496 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 172 transitions. [2018-09-28 11:14:47,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:14:47,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 88 states and 174 transitions. [2018-09-28 11:14:49,804 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 174 transitions. [2018-09-28 11:14:49,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-28 11:14:49,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:50,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:52,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:52,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2018-09-28 11:14:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2018-09-28 11:14:52,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 11:14:52,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:54,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:54,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2018-09-28 11:14:54,790 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2018-09-28 11:14:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-28 11:14:54,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:55,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:14:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:14:57,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 91 states and 180 transitions. [2018-09-28 11:14:57,586 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 180 transitions. [2018-09-28 11:14:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 11:14:57,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:14:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:14:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2018-09-28 11:15:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2018-09-28 11:15:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-28 11:15:00,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2018-09-28 11:15:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2018-09-28 11:15:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:15:02,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:03,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 94 states and 186 transitions. [2018-09-28 11:15:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2018-09-28 11:15:05,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-28 11:15:05,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:07,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 95 states and 188 transitions. [2018-09-28 11:15:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 188 transitions. [2018-09-28 11:15:07,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:15:07,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:10,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 96 states and 190 transitions. [2018-09-28 11:15:10,514 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 190 transitions. [2018-09-28 11:15:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-28 11:15:10,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:13,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:13,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 97 states and 192 transitions. [2018-09-28 11:15:13,440 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 192 transitions. [2018-09-28 11:15:13,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:15:13,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:14,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:15,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 98 states and 194 transitions. [2018-09-28 11:15:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 194 transitions. [2018-09-28 11:15:15,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-28 11:15:15,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:16,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:18,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:18,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 99 states and 196 transitions. [2018-09-28 11:15:18,834 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 196 transitions. [2018-09-28 11:15:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 11:15:18,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:19,757 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:21,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 100 states and 198 transitions. [2018-09-28 11:15:21,528 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 198 transitions. [2018-09-28 11:15:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-28 11:15:21,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:24,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 200 transitions. [2018-09-28 11:15:24,432 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 200 transitions. [2018-09-28 11:15:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 11:15:24,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 102 states and 202 transitions. [2018-09-28 11:15:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 202 transitions. [2018-09-28 11:15:27,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-28 11:15:27,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:30,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 103 states and 204 transitions. [2018-09-28 11:15:30,074 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 204 transitions. [2018-09-28 11:15:30,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-28 11:15:30,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 104 states and 206 transitions. [2018-09-28 11:15:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 206 transitions. [2018-09-28 11:15:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-28 11:15:33,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:33,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:33,952 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:35,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 105 states and 208 transitions. [2018-09-28 11:15:35,805 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 208 transitions. [2018-09-28 11:15:35,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-28 11:15:35,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 106 states and 210 transitions. [2018-09-28 11:15:39,029 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 210 transitions. [2018-09-28 11:15:39,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-28 11:15:39,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:39,981 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:41,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:41,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 107 states and 212 transitions. [2018-09-28 11:15:41,869 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 212 transitions. [2018-09-28 11:15:41,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 11:15:41,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:45,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:45,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 108 states and 214 transitions. [2018-09-28 11:15:45,038 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 214 transitions. [2018-09-28 11:15:45,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-28 11:15:45,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:46,100 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:48,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 109 states and 216 transitions. [2018-09-28 11:15:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 216 transitions. [2018-09-28 11:15:48,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-28 11:15:48,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:51,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:51,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 110 states and 218 transitions. [2018-09-28 11:15:51,158 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 218 transitions. [2018-09-28 11:15:51,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-28 11:15:51,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:54,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:54,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 111 states and 220 transitions. [2018-09-28 11:15:54,291 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 220 transitions. [2018-09-28 11:15:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-28 11:15:54,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:57,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:57,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 112 states and 222 transitions. [2018-09-28 11:15:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 222 transitions. [2018-09-28 11:15:57,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-28 11:15:57,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:00,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 113 states and 224 transitions. [2018-09-28 11:16:00,702 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 224 transitions. [2018-09-28 11:16:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-28 11:16:00,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 114 states and 226 transitions. [2018-09-28 11:16:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 226 transitions. [2018-09-28 11:16:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-28 11:16:04,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:05,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:07,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:07,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 115 states and 228 transitions. [2018-09-28 11:16:07,271 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 228 transitions. [2018-09-28 11:16:07,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-28 11:16:07,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:08,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:10,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 116 states and 230 transitions. [2018-09-28 11:16:10,672 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2018-09-28 11:16:10,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-28 11:16:10,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 117 states and 232 transitions. [2018-09-28 11:16:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 232 transitions. [2018-09-28 11:16:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-28 11:16:14,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:15,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:17,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:17,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 118 states and 234 transitions. [2018-09-28 11:16:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 234 transitions. [2018-09-28 11:16:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-28 11:16:17,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:18,746 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:20,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 119 states and 236 transitions. [2018-09-28 11:16:20,861 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 236 transitions. [2018-09-28 11:16:20,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-28 11:16:20,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:24,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:24,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 120 states and 238 transitions. [2018-09-28 11:16:24,387 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 238 transitions. [2018-09-28 11:16:24,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-09-28 11:16:24,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:27,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 121 states and 240 transitions. [2018-09-28 11:16:27,676 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 240 transitions. [2018-09-28 11:16:27,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-28 11:16:27,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:31,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 122 states and 242 transitions. [2018-09-28 11:16:31,204 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 242 transitions. [2018-09-28 11:16:31,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-28 11:16:31,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:34,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:34,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 123 states and 244 transitions. [2018-09-28 11:16:34,846 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 244 transitions. [2018-09-28 11:16:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-28 11:16:34,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:38,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 124 states and 246 transitions. [2018-09-28 11:16:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 246 transitions. [2018-09-28 11:16:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-28 11:16:38,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:39,716 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:42,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 125 states and 248 transitions. [2018-09-28 11:16:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 248 transitions. [2018-09-28 11:16:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-28 11:16:42,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:45,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:45,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 126 states and 250 transitions. [2018-09-28 11:16:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 250 transitions. [2018-09-28 11:16:45,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-28 11:16:45,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-28 11:16:46,148 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-28 11:16:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:46,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 11:16:46,325 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-28 11:16:46,325 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 11:16:46,327 INFO L168 Benchmark]: Toolchain (without parser) took 243562.47 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 1.8 GB in the end (delta: -323.6 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-28 11:16:46,329 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:16:46,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:16:46,330 INFO L168 Benchmark]: Boogie Preprocessor took 22.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:16:46,330 INFO L168 Benchmark]: RCFGBuilder took 676.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-28 11:16:46,330 INFO L168 Benchmark]: CodeCheck took 242819.17 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -344.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2018-09-28 11:16:46,334 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 TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 956 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 676.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 242819.17 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.8 GB in the end (delta: -344.8 MB). Peak memory consumption was 1.6 GB. 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/Luxembourg-ArraysIntegefied.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_11-16-46-345.csv Completed graceful shutdown