java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f-m [2018-10-04 14:46:31,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 14:46:31,597 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 14:46:31,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 14:46:31,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 14:46:31,611 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 14:46:31,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 14:46:31,615 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 14:46:31,616 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 14:46:31,617 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 14:46:31,618 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 14:46:31,618 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 14:46:31,619 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 14:46:31,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 14:46:31,622 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 14:46:31,623 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 14:46:31,624 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 14:46:31,628 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 14:46:31,630 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 14:46:31,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 14:46:31,639 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 14:46:31,644 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 14:46:31,646 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 14:46:31,647 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 14:46:31,647 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 14:46:31,648 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 14:46:31,652 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 14:46:31,653 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 14:46:31,653 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 14:46:31,657 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 14:46:31,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 14:46:31,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 14:46:31,659 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 14:46:31,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 14:46:31,661 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 14:46:31,661 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 14:46:31,662 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-04 14:46:31,680 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 14:46:31,681 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 14:46:31,682 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 14:46:31,685 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 14:46:31,686 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 14:46:31,686 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 14:46:31,686 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 14:46:31,686 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 14:46:31,686 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 14:46:31,688 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 14:46:31,688 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 14:46:31,688 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 14:46:31,688 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 14:46:31,689 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 14:46:31,689 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 14:46:31,689 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 14:46:31,689 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 14:46:31,689 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 14:46:31,689 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 14:46:31,690 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 14:46:31,690 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 14:46:31,690 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 14:46:31,690 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:46:31,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 14:46:31,691 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 14:46:31,691 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 14:46:31,691 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 14:46:31,691 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 14:46:31,691 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 14:46:31,692 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 14:46:31,750 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 14:46:31,762 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 14:46:31,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 14:46:31,768 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 14:46:31,768 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 14:46:31,769 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl [2018-10-04 14:46:31,769 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/threadpooling_product_WithProcedures.bpl' [2018-10-04 14:46:31,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 14:46:31,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 14:46:31,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 14:46:31,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 14:46:31,842 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 14:46:31,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... [2018-10-04 14:46:31,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... [2018-10-04 14:46:31,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 14:46:31,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 14:46:31,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 14:46:31,887 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 14:46:31,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... [2018-10-04 14:46:31,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... [2018-10-04 14:46:31,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... [2018-10-04 14:46:31,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... [2018-10-04 14:46:31,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... [2018-10-04 14:46:31,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... [2018-10-04 14:46:31,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... [2018-10-04 14:46:31,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 14:46:31,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 14:46:31,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 14:46:31,921 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 14:46:31,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:46:31,995 INFO L130 BoogieDeclarations]: Found specification of procedure l1l0 [2018-10-04 14:46:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l0 [2018-10-04 14:46:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure l0l1 [2018-10-04 14:46:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l1 [2018-10-04 14:46:31,996 INFO L130 BoogieDeclarations]: Found specification of procedure l0l0 [2018-10-04 14:46:31,996 INFO L138 BoogieDeclarations]: Found implementation of procedure l0l0 [2018-10-04 14:46:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 14:46:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 14:46:31,997 INFO L130 BoogieDeclarations]: Found specification of procedure l1l1 [2018-10-04 14:46:31,997 INFO L138 BoogieDeclarations]: Found implementation of procedure l1l1 [2018-10-04 14:46:32,623 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 14:46:32,624 INFO L202 PluginConnector]: Adding new model threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:46:32 BoogieIcfgContainer [2018-10-04 14:46:32,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 14:46:32,625 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 14:46:32,625 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 14:46:32,637 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 14:46:32,637 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "threadpooling_product_WithProcedures.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:46:32" (1/1) ... [2018-10-04 14:46:32,652 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:46:32,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:32,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2018-10-04 14:46:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2018-10-04 14:46:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:46:32,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:33,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-10-04 14:46:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-10-04 14:46:33,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 14:46:33,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:34,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2018-10-04 14:46:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2018-10-04 14:46:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:34,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:35,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 56 states and 104 transitions. [2018-10-04 14:46:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 104 transitions. [2018-10-04 14:46:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:35,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:35,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:36,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:36,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-10-04 14:46:36,664 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-10-04 14:46:36,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:36,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 14:46:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 61 states and 114 transitions. [2018-10-04 14:46:37,041 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 114 transitions. [2018-10-04 14:46:37,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:37,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:37,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:37,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2018-10-04 14:46:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2018-10-04 14:46:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:37,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:38,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2018-10-04 14:46:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2018-10-04 14:46:38,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:38,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:38,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 67 states and 140 transitions. [2018-10-04 14:46:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 140 transitions. [2018-10-04 14:46:39,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:39,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:39,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2018-10-04 14:46:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2018-10-04 14:46:40,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:40,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 14:46:40,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 149 transitions. [2018-10-04 14:46:40,492 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 149 transitions. [2018-10-04 14:46:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:40,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 75 states and 161 transitions. [2018-10-04 14:46:41,459 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 161 transitions. [2018-10-04 14:46:41,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 14:46:41,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:41,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:42,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:42,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 76 states and 161 transitions. [2018-10-04 14:46:42,119 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 161 transitions. [2018-10-04 14:46:42,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 14:46:42,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 83 states and 185 transitions. [2018-10-04 14:46:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 185 transitions. [2018-10-04 14:46:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 14:46:43,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:43,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 90 states and 208 transitions. [2018-10-04 14:46:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 208 transitions. [2018-10-04 14:46:44,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:44,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 96 states and 229 transitions. [2018-10-04 14:46:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 229 transitions. [2018-10-04 14:46:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:46,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:48,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:48,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 97 states and 233 transitions. [2018-10-04 14:46:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 233 transitions. [2018-10-04 14:46:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:48,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 100 states and 245 transitions. [2018-10-04 14:46:50,065 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 245 transitions. [2018-10-04 14:46:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:50,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:52,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:52,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 102 states and 253 transitions. [2018-10-04 14:46:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 253 transitions. [2018-10-04 14:46:52,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:52,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:53,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 104 states and 258 transitions. [2018-10-04 14:46:53,191 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 258 transitions. [2018-10-04 14:46:53,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 14:46:53,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:53,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:54,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 108 states and 271 transitions. [2018-10-04 14:46:54,813 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 271 transitions. [2018-10-04 14:46:54,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:46:54,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:54,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:56,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 115 states and 295 transitions. [2018-10-04 14:46:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 295 transitions. [2018-10-04 14:46:56,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:46:56,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:57,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:58,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 120 states and 311 transitions. [2018-10-04 14:46:58,853 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 311 transitions. [2018-10-04 14:46:58,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:46:58,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:59,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 121 states and 312 transitions. [2018-10-04 14:46:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 312 transitions. [2018-10-04 14:46:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:46:59,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:59,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:01,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:01,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 129 states and 332 transitions. [2018-10-04 14:47:01,529 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 332 transitions. [2018-10-04 14:47:01,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:01,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 136 states and 354 transitions. [2018-10-04 14:47:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 354 transitions. [2018-10-04 14:47:03,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:03,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:03,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 137 states and 354 transitions. [2018-10-04 14:47:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 354 transitions. [2018-10-04 14:47:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:03,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:04,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 143 states and 371 transitions. [2018-10-04 14:47:04,853 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 371 transitions. [2018-10-04 14:47:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:04,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:05,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 146 states and 376 transitions. [2018-10-04 14:47:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 376 transitions. [2018-10-04 14:47:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:05,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:06,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:06,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 147 states and 377 transitions. [2018-10-04 14:47:06,381 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 377 transitions. [2018-10-04 14:47:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:06,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 14:47:06,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:07,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 148 states and 380 transitions. [2018-10-04 14:47:07,001 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 380 transitions. [2018-10-04 14:47:07,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:07,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:07,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:08,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:08,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 154 states and 398 transitions. [2018-10-04 14:47:08,966 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 398 transitions. [2018-10-04 14:47:08,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:08,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:09,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 155 states and 399 transitions. [2018-10-04 14:47:09,749 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 399 transitions. [2018-10-04 14:47:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:09,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:11,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 160 states and 414 transitions. [2018-10-04 14:47:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 414 transitions. [2018-10-04 14:47:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:11,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-04 14:47:12,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 162 states and 417 transitions. [2018-10-04 14:47:12,536 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 417 transitions. [2018-10-04 14:47:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:12,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 167 states and 431 transitions. [2018-10-04 14:47:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 431 transitions. [2018-10-04 14:47:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:14,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:16,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:16,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 171 states and 439 transitions. [2018-10-04 14:47:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 439 transitions. [2018-10-04 14:47:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:16,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:17,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 173 states and 447 transitions. [2018-10-04 14:47:17,367 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 447 transitions. [2018-10-04 14:47:17,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:17,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:17,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 176 states and 459 transitions. [2018-10-04 14:47:18,964 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 459 transitions. [2018-10-04 14:47:18,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:18,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:19,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:19,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 177 states and 461 transitions. [2018-10-04 14:47:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 461 transitions. [2018-10-04 14:47:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:19,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:19,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:20,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 179 states and 462 transitions. [2018-10-04 14:47:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 462 transitions. [2018-10-04 14:47:20,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:47:20,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:20,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 180 states and 467 transitions. [2018-10-04 14:47:20,993 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 467 transitions. [2018-10-04 14:47:20,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 14:47:20,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:22,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 182 states and 475 transitions. [2018-10-04 14:47:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 475 transitions. [2018-10-04 14:47:22,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:47:22,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-04 14:47:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:25,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 185 states and 484 transitions. [2018-10-04 14:47:25,160 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 484 transitions. [2018-10-04 14:47:25,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:47:25,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-04 14:47:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:26,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 185 states and 483 transitions. [2018-10-04 14:47:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 483 transitions. [2018-10-04 14:47:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:47:26,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:26,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 14:47:27,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:27,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 185 states and 482 transitions. [2018-10-04 14:47:27,332 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 482 transitions. [2018-10-04 14:47:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 14:47:27,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:27,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:28,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 187 states and 490 transitions. [2018-10-04 14:47:28,342 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 490 transitions. [2018-10-04 14:47:28,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 14:47:28,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:28,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-04 14:47:30,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 190 states and 499 transitions. [2018-10-04 14:47:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 499 transitions. [2018-10-04 14:47:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:30,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:31,061 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:34,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:34,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 194 states and 521 transitions. [2018-10-04 14:47:34,986 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 521 transitions. [2018-10-04 14:47:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:34,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:34,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:35,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:37,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:37,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 198 states and 544 transitions. [2018-10-04 14:47:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 544 transitions. [2018-10-04 14:47:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:37,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:38,133 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:43,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:43,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 204 states and 570 transitions. [2018-10-04 14:47:43,134 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 570 transitions. [2018-10-04 14:47:43,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:43,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:45,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 207 states and 584 transitions. [2018-10-04 14:47:45,264 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 584 transitions. [2018-10-04 14:47:45,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:45,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:47,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:47,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 210 states and 591 transitions. [2018-10-04 14:47:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 591 transitions. [2018-10-04 14:47:47,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:47,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:49,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 215 states and 606 transitions. [2018-10-04 14:47:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 606 transitions. [2018-10-04 14:47:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:49,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:50,503 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 221 states and 626 transitions. [2018-10-04 14:47:52,852 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 626 transitions. [2018-10-04 14:47:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:52,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-04 14:47:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 222 states and 626 transitions. [2018-10-04 14:47:53,282 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 626 transitions. [2018-10-04 14:47:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:53,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:54,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 226 states and 648 transitions. [2018-10-04 14:47:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 648 transitions. [2018-10-04 14:47:59,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:59,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:00,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:03,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 230 states and 666 transitions. [2018-10-04 14:48:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 666 transitions. [2018-10-04 14:48:03,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:48:03,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:06,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 233 states and 682 transitions. [2018-10-04 14:48:06,172 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 682 transitions. [2018-10-04 14:48:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:48:06,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:06,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:08,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 234 states and 688 transitions. [2018-10-04 14:48:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 688 transitions. [2018-10-04 14:48:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:48:08,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:11,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:11,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 237 states and 700 transitions. [2018-10-04 14:48:11,557 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 700 transitions. [2018-10-04 14:48:11,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:48:11,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:12,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 238 states and 701 transitions. [2018-10-04 14:48:12,687 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 701 transitions. [2018-10-04 14:48:12,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:48:12,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:12,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:14,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 240 states and 709 transitions. [2018-10-04 14:48:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 709 transitions. [2018-10-04 14:48:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:48:14,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:14,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:15,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 241 states and 713 transitions. [2018-10-04 14:48:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 713 transitions. [2018-10-04 14:48:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:15,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-04 14:48:17,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 242 states and 713 transitions. [2018-10-04 14:48:17,042 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 713 transitions. [2018-10-04 14:48:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:17,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:20,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 246 states and 732 transitions. [2018-10-04 14:48:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 732 transitions. [2018-10-04 14:48:20,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:20,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:20,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:23,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:23,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 250 states and 753 transitions. [2018-10-04 14:48:23,161 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 753 transitions. [2018-10-04 14:48:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:23,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:23,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:24,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 253 states and 767 transitions. [2018-10-04 14:48:24,985 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 767 transitions. [2018-10-04 14:48:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:24,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:28,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 254 states and 771 transitions. [2018-10-04 14:48:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 771 transitions. [2018-10-04 14:48:28,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:28,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:29,140 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 266 states and 825 transitions. [2018-10-04 14:48:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 825 transitions. [2018-10-04 14:48:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:38,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:46,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 275 states and 876 transitions. [2018-10-04 14:48:46,997 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 876 transitions. [2018-10-04 14:48:47,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:47,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:48,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 276 states and 884 transitions. [2018-10-04 14:48:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 884 transitions. [2018-10-04 14:48:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:48,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:54,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 282 states and 913 transitions. [2018-10-04 14:48:54,455 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 913 transitions. [2018-10-04 14:48:54,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:54,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:54,496 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:55,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 283 states and 919 transitions. [2018-10-04 14:48:55,942 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 919 transitions. [2018-10-04 14:48:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:55,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 287 states and 950 transitions. [2018-10-04 14:48:58,883 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 950 transitions. [2018-10-04 14:48:58,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:48:58,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:01,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:01,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 290 states and 966 transitions. [2018-10-04 14:49:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 966 transitions. [2018-10-04 14:49:01,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:01,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:01,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:04,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 293 states and 985 transitions. [2018-10-04 14:49:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 985 transitions. [2018-10-04 14:49:04,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:04,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:04,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:05,001 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:07,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 296 states and 999 transitions. [2018-10-04 14:49:07,844 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 999 transitions. [2018-10-04 14:49:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:07,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:08,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 297 states and 1001 transitions. [2018-10-04 14:49:08,318 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 1001 transitions. [2018-10-04 14:49:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:08,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:15,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 301 states and 1022 transitions. [2018-10-04 14:49:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 1022 transitions. [2018-10-04 14:49:15,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:15,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:15,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:23,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:23,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 309 states and 1060 transitions. [2018-10-04 14:49:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1060 transitions. [2018-10-04 14:49:23,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:23,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:24,250 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:28,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 310 states and 1066 transitions. [2018-10-04 14:49:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1066 transitions. [2018-10-04 14:49:28,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:28,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:28,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 311 states and 1069 transitions. [2018-10-04 14:49:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1069 transitions. [2018-10-04 14:49:29,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:29,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:29,556 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:31,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:31,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 313 states and 1074 transitions. [2018-10-04 14:49:31,947 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1074 transitions. [2018-10-04 14:49:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:31,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 322 states and 1119 transitions. [2018-10-04 14:49:44,085 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1119 transitions. [2018-10-04 14:49:44,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:44,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 323 states and 1114 transitions. [2018-10-04 14:49:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1114 transitions. [2018-10-04 14:49:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:46,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:49,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 323 states and 1112 transitions. [2018-10-04 14:49:49,116 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 1112 transitions. [2018-10-04 14:49:49,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:49,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:57,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 329 states and 1141 transitions. [2018-10-04 14:49:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 1141 transitions. [2018-10-04 14:49:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:49:57,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:57,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 337 states and 1176 transitions. [2018-10-04 14:50:09,158 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 1176 transitions. [2018-10-04 14:50:09,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:50:09,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:11,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 341 states and 1191 transitions. [2018-10-04 14:50:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 1191 transitions. [2018-10-04 14:50:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:50:11,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:19,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:19,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 347 states and 1230 transitions. [2018-10-04 14:50:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1230 transitions. [2018-10-04 14:50:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:50:19,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:19,658 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:27,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:27,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 353 states and 1253 transitions. [2018-10-04 14:50:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1253 transitions. [2018-10-04 14:50:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:50:27,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:27,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:32,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 357 states and 1274 transitions. [2018-10-04 14:50:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 1274 transitions. [2018-10-04 14:50:32,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:50:32,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:33,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 358 states and 1279 transitions. [2018-10-04 14:50:33,857 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1279 transitions. [2018-10-04 14:50:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:50:33,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:41,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:41,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 364 states and 1307 transitions. [2018-10-04 14:50:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 1307 transitions. [2018-10-04 14:50:41,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:50:41,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:41,768 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:43,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 365 states and 1320 transitions. [2018-10-04 14:50:43,793 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1320 transitions. [2018-10-04 14:50:43,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:50:43,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:47,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 367 states and 1338 transitions. [2018-10-04 14:50:47,417 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 1338 transitions. [2018-10-04 14:50:47,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:50:47,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown