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/PointerIncrement.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 22:14:50,002 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 22:14:50,004 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 22:14:50,017 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 22:14:50,018 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 22:14:50,019 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 22:14:50,020 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 22:14:50,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 22:14:50,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 22:14:50,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 22:14:50,026 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 22:14:50,026 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 22:14:50,027 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 22:14:50,028 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 22:14:50,029 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 22:14:50,030 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 22:14:50,031 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 22:14:50,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 22:14:50,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 22:14:50,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 22:14:50,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 22:14:50,039 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 22:14:50,043 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 22:14:50,043 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 22:14:50,044 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 22:14:50,045 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 22:14:50,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 22:14:50,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 22:14:50,047 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 22:14:50,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 22:14:50,049 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 22:14:50,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 22:14:50,050 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 22:14:50,050 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 22:14:50,051 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 22:14:50,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 22:14:50,052 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 [2018-09-23 22:14:50,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 22:14:50,069 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 22:14:50,069 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 22:14:50,070 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 22:14:50,070 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 22:14:50,070 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 22:14:50,071 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 22:14:50,071 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 22:14:50,071 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 22:14:50,071 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 22:14:50,071 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 22:14:50,075 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 22:14:50,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 22:14:50,075 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 22:14:50,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 22:14:50,075 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 22:14:50,075 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 22:14:50,076 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 22:14:50,076 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 22:14:50,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 22:14:50,076 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 22:14:50,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 22:14:50,077 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 22:14:50,077 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 22:14:50,077 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 22:14:50,077 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 22:14:50,079 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 22:14:50,079 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 22:14:50,079 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 22:14:50,132 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 22:14:50,147 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 22:14:50,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 22:14:50,154 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 22:14:50,154 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 22:14:50,155 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl [2018-09-23 22:14:50,155 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/PointerIncrement.bpl' [2018-09-23 22:14:50,226 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 22:14:50,229 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 22:14:50,230 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 22:14:50,230 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 22:14:50,230 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 22:14:50,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 22:14:50,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 22:14:50,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 22:14:50,291 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 22:14:50,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,305 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,309 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 22:14:50,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 22:14:50,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 22:14:50,318 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 22:14:50,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 10:14:50" (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 [2018-09-23 22:14:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 22:14:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 22:14:50,768 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 22:14:50,768 INFO L202 PluginConnector]: Adding new model PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:14:50 BoogieIcfgContainer [2018-09-23 22:14:50,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 22:14:50,769 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 22:14:50,769 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 22:14:50,795 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 22:14:50,795 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "PointerIncrement.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 10:14:50" (1/1) ... [2018-09-23 22:14:50,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 22:14:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-09-23 22:14:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-09-23 22:14:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-23 22:14:50,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:14:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:51,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-09-23 22:14:51,220 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-09-23 22:14:51,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 22:14:51,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:14:52,560 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-23 22:14:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:52,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-09-23 22:14:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-09-23 22:14:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-23 22:14:52,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:14:52,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2018-09-23 22:14:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2018-09-23 22:14:52,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 22:14:52,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-09-23 22:14:53,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:53,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-09-23 22:14:53,436 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-09-23 22:14:53,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 22:14:53,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:53,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:14:54,479 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 17 [2018-09-23 22:14:55,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:55,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-09-23 22:14:55,316 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-09-23 22:14:55,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 22:14:55,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-09-23 22:14:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:55,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-09-23 22:14:55,856 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-09-23 22:14:55,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 22:14:55,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:14:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2018-09-23 22:14:57,495 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2018-09-23 22:14:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 22:14:57,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:57,535 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:14:58,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2018-09-23 22:14:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2018-09-23 22:14:58,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-23 22:14:58,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:58,071 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-09-23 22:14:58,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:14:58,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-09-23 22:14:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-09-23 22:14:58,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 22:14:58,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:14:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:14:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:00,482 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-09-23 22:15:01,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-09-23 22:15:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-09-23 22:15:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 22:15:01,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-09-23 22:15:02,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:02,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-09-23 22:15:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-09-23 22:15:02,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-23 22:15:02,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:02,584 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:04,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 74 transitions. [2018-09-23 22:15:04,718 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 74 transitions. [2018-09-23 22:15:04,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-23 22:15:04,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:04,768 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-09-23 22:15:05,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 42 states and 73 transitions. [2018-09-23 22:15:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2018-09-23 22:15:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 22:15:05,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:05,948 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:08,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:08,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2018-09-23 22:15:08,220 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2018-09-23 22:15:08,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 22:15:08,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:08,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-09-23 22:15:08,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2018-09-23 22:15:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2018-09-23 22:15:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-23 22:15:08,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:09,759 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-09-23 22:15:12,085 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-09-23 22:15:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-23 22:15:12,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2018-09-23 22:15:12,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 100 transitions. [2018-09-23 22:15:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2018-09-23 22:15:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 22:15:12,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:16,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:16,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 57 states and 116 transitions. [2018-09-23 22:15:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2018-09-23 22:15:16,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 22:15:16,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:16,721 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-09-23 22:15:17,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:17,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 57 states and 115 transitions. [2018-09-23 22:15:17,515 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2018-09-23 22:15:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-23 22:15:17,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:17,868 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:20,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 132 transitions. [2018-09-23 22:15:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 132 transitions. [2018-09-23 22:15:20,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-23 22:15:20,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-09-23 22:15:21,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:21,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 62 states and 131 transitions. [2018-09-23 22:15:21,375 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 131 transitions. [2018-09-23 22:15:21,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 22:15:21,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:24,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 67 states and 149 transitions. [2018-09-23 22:15:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2018-09-23 22:15:24,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 22:15:24,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-09-23 22:15:25,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:25,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 67 states and 148 transitions. [2018-09-23 22:15:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 148 transitions. [2018-09-23 22:15:25,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-23 22:15:25,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:26,282 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:29,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 72 states and 167 transitions. [2018-09-23 22:15:29,291 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 167 transitions. [2018-09-23 22:15:29,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-23 22:15:29,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2018-09-23 22:15:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:30,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 72 states and 166 transitions. [2018-09-23 22:15:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 166 transitions. [2018-09-23 22:15:30,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 22:15:30,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:31,008 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:34,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:34,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 77 states and 186 transitions. [2018-09-23 22:15:34,266 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 186 transitions. [2018-09-23 22:15:34,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 22:15:34,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-09-23 22:15:35,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 77 states and 185 transitions. [2018-09-23 22:15:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 185 transitions. [2018-09-23 22:15:35,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-23 22:15:35,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:36,608 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 82 states and 206 transitions. [2018-09-23 22:15:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 206 transitions. [2018-09-23 22:15:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-23 22:15:40,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:40,178 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2018-09-23 22:15:41,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:41,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 82 states and 205 transitions. [2018-09-23 22:15:41,699 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 205 transitions. [2018-09-23 22:15:41,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-23 22:15:41,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:41,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:43,325 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:47,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 87 states and 227 transitions. [2018-09-23 22:15:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 227 transitions. [2018-09-23 22:15:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-23 22:15:47,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-09-23 22:15:48,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 87 states and 226 transitions. [2018-09-23 22:15:48,686 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 226 transitions. [2018-09-23 22:15:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-23 22:15:48,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:15:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:53,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 92 states and 249 transitions. [2018-09-23 22:15:53,259 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 249 transitions. [2018-09-23 22:15:53,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-23 22:15:53,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:53,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:53,299 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2018-09-23 22:15:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:15:55,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 92 states and 248 transitions. [2018-09-23 22:15:55,291 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 248 transitions. [2018-09-23 22:15:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-23 22:15:55,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:15:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:15:55,907 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:00,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 97 states and 272 transitions. [2018-09-23 22:16:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 272 transitions. [2018-09-23 22:16:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-23 22:16:00,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:00,123 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 632 trivial. 0 not checked. [2018-09-23 22:16:01,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 97 states and 271 transitions. [2018-09-23 22:16:01,488 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 271 transitions. [2018-09-23 22:16:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-23 22:16:01,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:02,315 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:06,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:06,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 102 states and 296 transitions. [2018-09-23 22:16:06,621 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 296 transitions. [2018-09-23 22:16:06,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-23 22:16:06,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:06,665 INFO L134 CoverageAnalysis]: Checked inductivity of 731 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 714 trivial. 0 not checked. [2018-09-23 22:16:08,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 102 states and 295 transitions. [2018-09-23 22:16:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 295 transitions. [2018-09-23 22:16:08,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-23 22:16:08,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:13,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:13,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 107 states and 321 transitions. [2018-09-23 22:16:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 321 transitions. [2018-09-23 22:16:13,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-23 22:16:13,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2018-09-23 22:16:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 107 states and 320 transitions. [2018-09-23 22:16:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 320 transitions. [2018-09-23 22:16:15,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-23 22:16:15,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:20,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 112 states and 347 transitions. [2018-09-23 22:16:20,752 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 347 transitions. [2018-09-23 22:16:20,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-23 22:16:20,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:20,797 INFO L134 CoverageAnalysis]: Checked inductivity of 912 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 893 trivial. 0 not checked. [2018-09-23 22:16:22,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:22,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 112 states and 346 transitions. [2018-09-23 22:16:22,604 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 346 transitions. [2018-09-23 22:16:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-23 22:16:22,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:28,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 117 states and 374 transitions. [2018-09-23 22:16:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 374 transitions. [2018-09-23 22:16:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-23 22:16:28,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:28,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-09-23 22:16:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:30,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 117 states and 373 transitions. [2018-09-23 22:16:30,999 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 373 transitions. [2018-09-23 22:16:31,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-23 22:16:31,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:32,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 122 states and 402 transitions. [2018-09-23 22:16:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 402 transitions. [2018-09-23 22:16:38,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-23 22:16:38,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2018-09-23 22:16:39,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:39,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 122 states and 401 transitions. [2018-09-23 22:16:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 401 transitions. [2018-09-23 22:16:39,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-23 22:16:39,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:40,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:46,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:46,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 127 states and 431 transitions. [2018-09-23 22:16:46,254 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 431 transitions. [2018-09-23 22:16:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-23 22:16:46,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:46,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2018-09-23 22:16:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 127 states and 430 transitions. [2018-09-23 22:16:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 430 transitions. [2018-09-23 22:16:48,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-23 22:16:48,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:16:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 132 states and 461 transitions. [2018-09-23 22:16:57,811 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 461 transitions. [2018-09-23 22:16:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-23 22:16:57,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:16:57,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1334 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2018-09-23 22:16:59,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:16:59,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 132 states and 460 transitions. [2018-09-23 22:16:59,612 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 460 transitions. [2018-09-23 22:16:59,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-23 22:16:59,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:16:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:00,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:06,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:06,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 137 states and 492 transitions. [2018-09-23 22:17:06,587 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 492 transitions. [2018-09-23 22:17:06,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-23 22:17:06,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:06,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 1428 trivial. 0 not checked. [2018-09-23 22:17:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 137 states and 491 transitions. [2018-09-23 22:17:08,236 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 491 transitions. [2018-09-23 22:17:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-23 22:17:08,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 142 states and 524 transitions. [2018-09-23 22:17:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 524 transitions. [2018-09-23 22:17:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-23 22:17:15,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1575 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2018-09-23 22:17:16,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:16,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 142 states and 523 transitions. [2018-09-23 22:17:16,730 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 523 transitions. [2018-09-23 22:17:16,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-23 22:17:16,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:23,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:23,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 147 states and 557 transitions. [2018-09-23 22:17:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 557 transitions. [2018-09-23 22:17:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-23 22:17:23,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 1677 trivial. 0 not checked. [2018-09-23 22:17:25,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:25,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 147 states and 556 transitions. [2018-09-23 22:17:25,469 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 556 transitions. [2018-09-23 22:17:25,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-23 22:17:25,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:26,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:32,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 152 states and 591 transitions. [2018-09-23 22:17:32,778 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 591 transitions. [2018-09-23 22:17:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-23 22:17:32,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1836 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 1809 trivial. 0 not checked. [2018-09-23 22:17:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:34,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 152 states and 590 transitions. [2018-09-23 22:17:34,677 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 590 transitions. [2018-09-23 22:17:34,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-23 22:17:34,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:42,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:42,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 157 states and 626 transitions. [2018-09-23 22:17:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 626 transitions. [2018-09-23 22:17:42,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-23 22:17:42,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:42,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 1946 trivial. 0 not checked. [2018-09-23 22:17:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 157 states and 625 transitions. [2018-09-23 22:17:44,306 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 625 transitions. [2018-09-23 22:17:44,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-23 22:17:44,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2002 backedges. 0 proven. 2002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:17:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 162 states and 662 transitions. [2018-09-23 22:17:52,097 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 662 transitions. [2018-09-23 22:17:52,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-23 22:17:52,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:52,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2117 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2018-09-23 22:17:53,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:17:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 162 states and 661 transitions. [2018-09-23 22:17:53,974 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 661 transitions. [2018-09-23 22:17:53,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-23 22:17:53,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:17:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:17:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2146 backedges. 0 proven. 2146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:01,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:01,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 167 states and 699 transitions. [2018-09-23 22:18:01,988 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 699 transitions. [2018-09-23 22:18:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-23 22:18:01,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2265 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2018-09-23 22:18:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 167 states and 698 transitions. [2018-09-23 22:18:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 698 transitions. [2018-09-23 22:18:04,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-09-23 22:18:04,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2295 backedges. 0 proven. 2295 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:12,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:12,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 172 states and 737 transitions. [2018-09-23 22:18:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 737 transitions. [2018-09-23 22:18:12,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-23 22:18:12,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:12,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2418 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 2387 trivial. 0 not checked. [2018-09-23 22:18:14,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:14,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 172 states and 736 transitions. [2018-09-23 22:18:14,490 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 736 transitions. [2018-09-23 22:18:14,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-09-23 22:18:14,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:15,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2449 backedges. 0 proven. 2449 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:23,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:23,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 177 states and 776 transitions. [2018-09-23 22:18:23,061 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 776 transitions. [2018-09-23 22:18:23,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-09-23 22:18:23,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2576 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2544 trivial. 0 not checked. [2018-09-23 22:18:25,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:25,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 177 states and 775 transitions. [2018-09-23 22:18:25,165 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 775 transitions. [2018-09-23 22:18:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-09-23 22:18:25,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:26,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2608 backedges. 0 proven. 2608 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:34,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 182 states and 816 transitions. [2018-09-23 22:18:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 816 transitions. [2018-09-23 22:18:34,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-09-23 22:18:34,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:34,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:34,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2739 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 2706 trivial. 0 not checked. [2018-09-23 22:18:36,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:36,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 182 states and 815 transitions. [2018-09-23 22:18:36,239 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 815 transitions. [2018-09-23 22:18:36,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-09-23 22:18:36,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:37,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2772 backedges. 0 proven. 2772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 22:18:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 187 states and 857 transitions. [2018-09-23 22:18:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 857 transitions. [2018-09-23 22:18:45,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-09-23 22:18:45,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2907 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2873 trivial. 0 not checked. [2018-09-23 22:18:47,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 22:18:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 187 states and 856 transitions. [2018-09-23 22:18:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 856 transitions. [2018-09-23 22:18:47,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-09-23 22:18:47,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 22:18:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 22:18:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2941 backedges. 0 proven. 2941 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-23 22:18:55,673 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 22:18:55,675 INFO L168 Benchmark]: Toolchain (without parser) took 245448.54 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 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 643.1 MB. Max. memory is 7.1 GB. [2018-09-23 22:18:55,676 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. [2018-09-23 22:18:55,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.60 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. [2018-09-23 22:18:55,677 INFO L168 Benchmark]: Boogie Preprocessor took 26.62 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. [2018-09-23 22:18:55,677 INFO L168 Benchmark]: RCFGBuilder took 450.98 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. [2018-09-23 22:18:55,678 INFO L168 Benchmark]: CodeCheck took 244905.18 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 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 621.9 MB. Max. memory is 7.1 GB. [2018-09-23 22:18:55,682 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1194 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 60.60 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 26.62 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 450.98 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 244905.18 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 2.7 GB in the end (delta: -1.2 GB). Peak memory consumption was 621.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/PointerIncrement.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_22-18-55-693.csv Completed graceful shutdown