./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c -s /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01a8e9a3332b0304ee54749c06e9a9a428acc8a8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 23:51:17,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 23:51:17,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 23:51:17,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 23:51:17,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 23:51:17,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 23:51:17,578 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 23:51:17,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 23:51:17,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 23:51:17,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 23:51:17,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 23:51:17,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 23:51:17,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 23:51:17,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 23:51:17,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 23:51:17,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 23:51:17,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 23:51:17,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 23:51:17,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 23:51:17,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 23:51:17,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 23:51:17,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 23:51:17,595 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 23:51:17,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 23:51:17,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 23:51:17,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 23:51:17,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 23:51:17,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 23:51:17,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 23:51:17,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 23:51:17,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 23:51:17,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 23:51:17,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 23:51:17,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 23:51:17,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 23:51:17,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 23:51:17,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 23:51:17,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 23:51:17,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 23:51:17,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 23:51:17,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 23:51:17,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 23:51:17,617 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 23:51:17,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 23:51:17,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 23:51:17,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 23:51:17,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 23:51:17,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 23:51:17,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 23:51:17,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 23:51:17,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 23:51:17,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 23:51:17,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 23:51:17,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 23:51:17,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 23:51:17,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 23:51:17,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 23:51:17,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 23:51:17,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 23:51:17,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 23:51:17,621 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 23:51:17,621 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 23:51:17,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 23:51:17,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 23:51:17,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 23:51:17,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 23:51:17,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 23:51:17,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 23:51:17,622 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 23:51:17,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 23:51:17,622 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 23:51:17,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01a8e9a3332b0304ee54749c06e9a9a428acc8a8 [2019-12-01 23:51:17,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 23:51:17,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 23:51:17,740 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 23:51:17,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 23:51:17,742 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 23:51:17,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2019-12-01 23:51:17,782 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/data/0aae6f2d1/dcad278a614c468b9803211fc221c670/FLAGc4b1b4f70 [2019-12-01 23:51:18,240 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 23:51:18,240 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/sv-benchmarks/c/eca-rers2012/Problem02_label30.c [2019-12-01 23:51:18,248 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/data/0aae6f2d1/dcad278a614c468b9803211fc221c670/FLAGc4b1b4f70 [2019-12-01 23:51:18,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/data/0aae6f2d1/dcad278a614c468b9803211fc221c670 [2019-12-01 23:51:18,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 23:51:18,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 23:51:18,582 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 23:51:18,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 23:51:18,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 23:51:18,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:18,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3c34e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18, skipping insertion in model container [2019-12-01 23:51:18,598 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:18,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 23:51:18,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 23:51:18,883 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:51:18,886 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 23:51:18,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:51:18,948 INFO L208 MainTranslator]: Completed translation [2019-12-01 23:51:18,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18 WrapperNode [2019-12-01 23:51:18,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 23:51:18,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 23:51:18,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 23:51:18,949 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 23:51:18,955 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:18,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:18,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 23:51:18,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 23:51:18,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 23:51:18,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 23:51:19,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:19,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:19,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:19,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:19,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:19,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:19,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... [2019-12-01 23:51:19,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 23:51:19,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 23:51:19,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 23:51:19,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 23:51:19,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:51:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/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 [2019-12-01 23:51:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 23:51:19,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 23:51:20,179 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 23:51:20,179 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 23:51:20,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:51:20 BoogieIcfgContainer [2019-12-01 23:51:20,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 23:51:20,181 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 23:51:20,181 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 23:51:20,188 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 23:51:20,189 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:51:20" (1/1) ... [2019-12-01 23:51:20,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 23:51:20,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-12-01 23:51:20,224 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-12-01 23:51:20,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 23:51:20,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:20,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:20,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2019-12-01 23:51:20,753 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2019-12-01 23:51:20,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 23:51:20,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:51:20,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:20,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 164 states and 243 transitions. [2019-12-01 23:51:20,940 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 243 transitions. [2019-12-01 23:51:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-01 23:51:20,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2019-12-01 23:51:21,131 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2019-12-01 23:51:21,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 23:51:21,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2019-12-01 23:51:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2019-12-01 23:51:21,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 23:51:21,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 217 states and 319 transitions. [2019-12-01 23:51:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 319 transitions. [2019-12-01 23:51:21,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 23:51:21,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:21,950 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:51:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 239 states and 354 transitions. [2019-12-01 23:51:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 354 transitions. [2019-12-01 23:51:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 23:51:22,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:22,592 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:51:22,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:22,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 242 states and 359 transitions. [2019-12-01 23:51:22,688 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 359 transitions. [2019-12-01 23:51:22,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 23:51:22,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:22,736 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:51:23,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:23,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 256 states and 375 transitions. [2019-12-01 23:51:23,059 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 375 transitions. [2019-12-01 23:51:23,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 23:51:23,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:23,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:23,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 260 states and 380 transitions. [2019-12-01 23:51:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 380 transitions. [2019-12-01 23:51:23,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-01 23:51:23,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 264 states and 387 transitions. [2019-12-01 23:51:23,529 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 387 transitions. [2019-12-01 23:51:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-01 23:51:23,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:23,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:23,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 267 states and 391 transitions. [2019-12-01 23:51:23,679 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 391 transitions. [2019-12-01 23:51:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-01 23:51:23,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:24,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:24,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 290 states and 425 transitions. [2019-12-01 23:51:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 425 transitions. [2019-12-01 23:51:24,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 23:51:24,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:51:24,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 369 states and 506 transitions. [2019-12-01 23:51:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 506 transitions. [2019-12-01 23:51:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 23:51:24,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:25,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 387 states and 527 transitions. [2019-12-01 23:51:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 527 transitions. [2019-12-01 23:51:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 23:51:25,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:25,216 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:25,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 389 states and 529 transitions. [2019-12-01 23:51:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 529 transitions. [2019-12-01 23:51:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-01 23:51:25,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:25,456 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 399 states and 540 transitions. [2019-12-01 23:51:25,732 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 540 transitions. [2019-12-01 23:51:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 23:51:25,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:25,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:25,884 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:26,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:26,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 421 states and 576 transitions. [2019-12-01 23:51:26,668 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 576 transitions. [2019-12-01 23:51:26,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 23:51:26,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:26,777 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:26,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:26,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 424 states and 580 transitions. [2019-12-01 23:51:26,925 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 580 transitions. [2019-12-01 23:51:26,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 23:51:26,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 427 states and 584 transitions. [2019-12-01 23:51:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 584 transitions. [2019-12-01 23:51:27,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 23:51:27,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 430 states and 588 transitions. [2019-12-01 23:51:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 588 transitions. [2019-12-01 23:51:27,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 23:51:27,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:27,535 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:27,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:27,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 433 states and 594 transitions. [2019-12-01 23:51:27,681 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 594 transitions. [2019-12-01 23:51:27,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 23:51:27,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:27,799 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:28,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 448 states and 612 transitions. [2019-12-01 23:51:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 612 transitions. [2019-12-01 23:51:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 23:51:28,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:28,608 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:30,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:30,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 488 states and 668 transitions. [2019-12-01 23:51:30,128 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 668 transitions. [2019-12-01 23:51:30,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 23:51:30,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:30,162 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 491 states and 676 transitions. [2019-12-01 23:51:30,536 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 676 transitions. [2019-12-01 23:51:30,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 23:51:30,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:51:30,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:30,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 500 states and 686 transitions. [2019-12-01 23:51:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 686 transitions. [2019-12-01 23:51:30,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 23:51:30,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 533 states and 723 transitions. [2019-12-01 23:51:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 723 transitions. [2019-12-01 23:51:31,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 23:51:31,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:51:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:32,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 557 states and 748 transitions. [2019-12-01 23:51:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 748 transitions. [2019-12-01 23:51:32,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 23:51:32,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:32,426 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:51:33,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:33,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 572 states and 765 transitions. [2019-12-01 23:51:33,197 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 765 transitions. [2019-12-01 23:51:33,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-12-01 23:51:33,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:33,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 583 states and 775 transitions. [2019-12-01 23:51:33,384 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 775 transitions. [2019-12-01 23:51:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-12-01 23:51:33,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:33,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:33,432 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:33,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 586 states and 778 transitions. [2019-12-01 23:51:33,613 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 778 transitions. [2019-12-01 23:51:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 23:51:33,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:51:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 599 states and 794 transitions. [2019-12-01 23:51:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 794 transitions. [2019-12-01 23:51:33,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 23:51:33,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:33,811 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:33,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:33,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 611 states and 805 transitions. [2019-12-01 23:51:33,863 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 805 transitions. [2019-12-01 23:51:33,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 23:51:33,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:33,897 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:34,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 624 states and 817 transitions. [2019-12-01 23:51:34,030 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 817 transitions. [2019-12-01 23:51:34,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 23:51:34,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:34,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 626 states and 819 transitions. [2019-12-01 23:51:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 819 transitions. [2019-12-01 23:51:34,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 23:51:34,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:34,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 635 states and 828 transitions. [2019-12-01 23:51:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 828 transitions. [2019-12-01 23:51:34,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:51:34,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:34,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:34,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 637 states and 831 transitions. [2019-12-01 23:51:34,714 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 831 transitions. [2019-12-01 23:51:34,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:51:34,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:34,822 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:35,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 640 states and 835 transitions. [2019-12-01 23:51:35,014 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 835 transitions. [2019-12-01 23:51:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 23:51:35,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:35,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:35,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 643 states and 840 transitions. [2019-12-01 23:51:35,342 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 840 transitions. [2019-12-01 23:51:35,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 23:51:35,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 23:51:35,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:35,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 645 states and 842 transitions. [2019-12-01 23:51:35,406 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 842 transitions. [2019-12-01 23:51:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-12-01 23:51:35,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:35,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 651 states and 848 transitions. [2019-12-01 23:51:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 848 transitions. [2019-12-01 23:51:35,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 23:51:35,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 23:51:35,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:35,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 658 states and 855 transitions. [2019-12-01 23:51:35,600 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 855 transitions. [2019-12-01 23:51:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-01 23:51:35,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 23:51:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 662 states and 860 transitions. [2019-12-01 23:51:35,774 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 860 transitions. [2019-12-01 23:51:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-01 23:51:35,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:35,818 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:36,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:36,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 698 states and 899 transitions. [2019-12-01 23:51:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 899 transitions. [2019-12-01 23:51:36,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 23:51:36,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 720 states and 928 transitions. [2019-12-01 23:51:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 928 transitions. [2019-12-01 23:51:43,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 23:51:43,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:43,490 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 23:51:43,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:43,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 732 states and 940 transitions. [2019-12-01 23:51:43,994 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 940 transitions. [2019-12-01 23:51:43,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 23:51:43,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:44,078 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 23:51:44,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:44,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 734 states and 941 transitions. [2019-12-01 23:51:44,349 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 941 transitions. [2019-12-01 23:51:44,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-01 23:51:44,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:44,412 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:46,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 775 states and 987 transitions. [2019-12-01 23:51:46,534 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 987 transitions. [2019-12-01 23:51:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-01 23:51:46,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:46,593 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:46,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 779 states and 991 transitions. [2019-12-01 23:51:46,857 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 991 transitions. [2019-12-01 23:51:46,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 23:51:46,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:46,883 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:51:47,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:47,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 783 states and 996 transitions. [2019-12-01 23:51:47,132 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 996 transitions. [2019-12-01 23:51:47,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 23:51:47,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:47,176 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-12-01 23:51:47,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:47,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 784 states and 996 transitions. [2019-12-01 23:51:47,203 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 996 transitions. [2019-12-01 23:51:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 23:51:47,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:47,236 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 839 states and 1052 transitions. [2019-12-01 23:51:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1052 transitions. [2019-12-01 23:51:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 23:51:47,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:47,632 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 855 states and 1071 transitions. [2019-12-01 23:51:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1071 transitions. [2019-12-01 23:51:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 23:51:48,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:48,139 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:51:48,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:48,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 857 states and 1072 transitions. [2019-12-01 23:51:48,382 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1072 transitions. [2019-12-01 23:51:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 23:51:48,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:51:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 882 states and 1096 transitions. [2019-12-01 23:51:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1096 transitions. [2019-12-01 23:51:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 23:51:51,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:51,554 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 23:51:52,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 961 states and 1183 transitions. [2019-12-01 23:51:52,102 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1183 transitions. [2019-12-01 23:51:52,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 23:51:52,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 23:51:54,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1015 states and 1240 transitions. [2019-12-01 23:51:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1240 transitions. [2019-12-01 23:51:54,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 23:51:54,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 23:51:54,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1028 states and 1255 transitions. [2019-12-01 23:51:54,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1255 transitions. [2019-12-01 23:51:54,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 23:51:54,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 23:51:54,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:54,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1039 states and 1265 transitions. [2019-12-01 23:51:54,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1265 transitions. [2019-12-01 23:51:54,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:51:54,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:51:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1068 states and 1294 transitions. [2019-12-01 23:51:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1294 transitions. [2019-12-01 23:51:55,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-12-01 23:51:55,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:51:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:55,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1109 states and 1337 transitions. [2019-12-01 23:51:55,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 1337 transitions. [2019-12-01 23:51:55,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 23:51:55,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-01 23:51:58,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:58,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1169 states and 1403 transitions. [2019-12-01 23:51:58,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1403 transitions. [2019-12-01 23:51:58,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 23:51:58,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:51:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:51:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1174 states and 1410 transitions. [2019-12-01 23:51:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1410 transitions. [2019-12-01 23:51:59,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 23:51:59,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:51:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:51:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:52:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1186 states and 1423 transitions. [2019-12-01 23:52:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1423 transitions. [2019-12-01 23:52:00,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 23:52:00,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:00,921 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:52:01,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:01,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1198 states and 1436 transitions. [2019-12-01 23:52:01,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1436 transitions. [2019-12-01 23:52:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 23:52:01,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:01,462 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:52:02,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:02,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1209 states and 1450 transitions. [2019-12-01 23:52:02,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1450 transitions. [2019-12-01 23:52:02,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 23:52:02,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:52:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1252 states and 1492 transitions. [2019-12-01 23:52:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1492 transitions. [2019-12-01 23:52:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 23:52:02,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:02,552 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:52:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:03,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1294 states and 1534 transitions. [2019-12-01 23:52:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 1534 transitions. [2019-12-01 23:52:03,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 23:52:03,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 23:52:04,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:04,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1323 states and 1567 transitions. [2019-12-01 23:52:04,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 1567 transitions. [2019-12-01 23:52:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-12-01 23:52:04,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:52:05,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1352 states and 1602 transitions. [2019-12-01 23:52:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1602 transitions. [2019-12-01 23:52:05,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 23:52:05,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 100 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 23:52:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1367 states and 1618 transitions. [2019-12-01 23:52:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1618 transitions. [2019-12-01 23:52:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-01 23:52:05,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:52:06,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:06,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1432 states and 1683 transitions. [2019-12-01 23:52:06,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1683 transitions. [2019-12-01 23:52:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-01 23:52:06,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:52:06,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:06,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1476 states and 1727 transitions. [2019-12-01 23:52:06,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1727 transitions. [2019-12-01 23:52:06,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 23:52:06,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:06,663 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:52:07,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:07,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1491 states and 1740 transitions. [2019-12-01 23:52:07,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1740 transitions. [2019-12-01 23:52:07,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 23:52:07,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-12-01 23:52:07,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:07,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1740 states to 1492 states and 1740 transitions. [2019-12-01 23:52:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1740 transitions. [2019-12-01 23:52:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 23:52:07,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:52:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:07,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1498 states and 1746 transitions. [2019-12-01 23:52:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 1746 transitions. [2019-12-01 23:52:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-12-01 23:52:07,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:07,369 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:52:07,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1504 states and 1751 transitions. [2019-12-01 23:52:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 1751 transitions. [2019-12-01 23:52:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-01 23:52:07,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-12-01 23:52:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1506 states and 1754 transitions. [2019-12-01 23:52:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 1754 transitions. [2019-12-01 23:52:07,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 23:52:07,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-12-01 23:52:07,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1507 states and 1754 transitions. [2019-12-01 23:52:07,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1754 transitions. [2019-12-01 23:52:07,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-01 23:52:07,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:08,070 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 23:52:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1693 states and 1947 transitions. [2019-12-01 23:52:09,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 1947 transitions. [2019-12-01 23:52:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 23:52:09,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:09,985 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 23:52:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:10,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1696 states and 1950 transitions. [2019-12-01 23:52:10,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 1950 transitions. [2019-12-01 23:52:10,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-12-01 23:52:10,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:10,193 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 23:52:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1708 states and 1961 transitions. [2019-12-01 23:52:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 1961 transitions. [2019-12-01 23:52:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-12-01 23:52:10,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:10,427 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 23:52:10,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:10,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 1721 states and 1973 transitions. [2019-12-01 23:52:10,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 1973 transitions. [2019-12-01 23:52:10,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-12-01 23:52:10,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 23:52:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1724 states and 1976 transitions. [2019-12-01 23:52:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 1976 transitions. [2019-12-01 23:52:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-12-01 23:52:10,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 249 proven. 28 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 23:52:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:16,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1818 states and 2082 transitions. [2019-12-01 23:52:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2082 transitions. [2019-12-01 23:52:16,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-12-01 23:52:16,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:16,527 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 23:52:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1825 states and 2091 transitions. [2019-12-01 23:52:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2091 transitions. [2019-12-01 23:52:17,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-12-01 23:52:17,170 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 194 proven. 8 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2019-12-01 23:52:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:17,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 1831 states and 2096 transitions. [2019-12-01 23:52:17,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2096 transitions. [2019-12-01 23:52:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-12-01 23:52:17,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 191 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-12-01 23:52:18,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:18,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 1854 states and 2124 transitions. [2019-12-01 23:52:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2124 transitions. [2019-12-01 23:52:18,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-12-01 23:52:18,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 191 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-12-01 23:52:18,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1857 states and 2127 transitions. [2019-12-01 23:52:18,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2127 transitions. [2019-12-01 23:52:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-12-01 23:52:18,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 191 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-12-01 23:52:19,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:19,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 1860 states and 2130 transitions. [2019-12-01 23:52:19,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2130 transitions. [2019-12-01 23:52:19,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-12-01 23:52:19,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 191 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-12-01 23:52:19,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:19,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1863 states and 2133 transitions. [2019-12-01 23:52:19,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2133 transitions. [2019-12-01 23:52:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-12-01 23:52:19,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 263 proven. 42 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 23:52:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:20,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1872 states and 2143 transitions. [2019-12-01 23:52:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2143 transitions. [2019-12-01 23:52:20,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-12-01 23:52:20,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 168 proven. 5 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-12-01 23:52:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:20,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1878 states and 2150 transitions. [2019-12-01 23:52:20,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 2150 transitions. [2019-12-01 23:52:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 23:52:20,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2019-12-01 23:52:26,964 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 23:52:28,639 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 23:52:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 1979 states and 2264 transitions. [2019-12-01 23:52:30,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2264 transitions. [2019-12-01 23:52:30,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-01 23:52:30,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-12-01 23:52:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2292 states to 2004 states and 2292 transitions. [2019-12-01 23:52:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2292 transitions. [2019-12-01 23:52:31,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 23:52:31,611 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:31,875 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2019-12-01 23:52:34,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:34,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2066 states and 2360 transitions. [2019-12-01 23:52:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2360 transitions. [2019-12-01 23:52:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 23:52:34,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 296 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2019-12-01 23:52:36,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 2088 states and 2380 transitions. [2019-12-01 23:52:36,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 2380 transitions. [2019-12-01 23:52:36,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 23:52:36,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:37,110 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 23:52:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2109 states and 2402 transitions. [2019-12-01 23:52:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2402 transitions. [2019-12-01 23:52:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 23:52:37,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:37,501 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 279 proven. 16 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 23:52:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 2142 states and 2445 transitions. [2019-12-01 23:52:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2445 transitions. [2019-12-01 23:52:39,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 23:52:39,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 279 proven. 16 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 23:52:39,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:39,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2448 states to 2145 states and 2448 transitions. [2019-12-01 23:52:39,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 2448 transitions. [2019-12-01 23:52:39,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 23:52:39,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:39,756 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 279 proven. 16 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 23:52:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:40,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 2148 states and 2451 transitions. [2019-12-01 23:52:40,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 2451 transitions. [2019-12-01 23:52:40,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 23:52:40,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 279 proven. 16 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 23:52:40,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:40,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2454 states to 2151 states and 2454 transitions. [2019-12-01 23:52:40,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 2454 transitions. [2019-12-01 23:52:40,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 23:52:40,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 279 proven. 16 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 23:52:41,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2154 states and 2457 transitions. [2019-12-01 23:52:41,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 2457 transitions. [2019-12-01 23:52:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 23:52:41,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:52:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:52:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-12-01 23:52:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:52:41,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 2073 states and 2373 transitions. [2019-12-01 23:52:41,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 2373 transitions. [2019-12-01 23:52:41,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 23:52:41,518 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 104 iterations. [2019-12-01 23:52:41,524 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 23:52:43,011 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-12-01 23:52:43,381 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 13 [2019-12-01 23:52:45,658 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 13 [2019-12-01 23:52:46,067 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 23:52:46,070 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2019-12-01 23:52:46,075 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2019-12-01 23:52:46,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:52:46 ImpRootNode [2019-12-01 23:52:46,076 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 23:52:46,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 23:52:46,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 23:52:46,077 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 23:52:46,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:51:20" (3/4) ... [2019-12-01 23:52:46,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 23:52:46,096 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2019-12-01 23:52:46,097 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-12-01 23:52:46,098 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-01 23:52:46,099 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 23:52:46,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_adc93111-723d-4839-a624-29f41f7cddcd/bin/ukojak/witness.graphml [2019-12-01 23:52:46,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 23:52:46,197 INFO L168 Benchmark]: Toolchain (without parser) took 87618.13 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 910.7 MB). Free memory was 934.0 MB in the beginning and 1.8 GB in the end (delta: -844.2 MB). Peak memory consumption was 66.5 MB. Max. memory is 11.5 GB. [2019-12-01 23:52:46,197 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:52:46,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-01 23:52:46,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:52:46,198 INFO L168 Benchmark]: Boogie Preprocessor took 40.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2019-12-01 23:52:46,198 INFO L168 Benchmark]: RCFGBuilder took 1142.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 825.3 MB in the end (delta: 220.9 MB). Peak memory consumption was 220.9 MB. Max. memory is 11.5 GB. [2019-12-01 23:52:46,198 INFO L168 Benchmark]: CodeCheck took 85895.28 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 829.4 MB). Free memory was 825.3 MB in the beginning and 1.8 GB in the end (delta: -981.8 MB). Peak memory consumption was 994.1 MB. Max. memory is 11.5 GB. [2019-12-01 23:52:46,198 INFO L168 Benchmark]: Witness Printer took 119.50 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2019-12-01 23:52:46,200 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 81.3s, OverallIterations: 104, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 76007672 SDtfs, -844462164 SDslu, 453003192 SDs, 0 SdLazy, 129103108 SolverSat, -548390628 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 324.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117945 GetRequests, 115851 SyntacticMatches, 1302 SemanticMatches, 792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475057 ImplicationChecksByTransitivity, 65.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 17726 NumberOfCodeBlocks, 17726 NumberOfCodeBlocksAsserted, 103 NumberOfCheckSat, 17623 ConstructedInterpolants, 0 QuantifiedInterpolants, 9313324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 103 InterpolantComputations, 75 PerfectInterpolantSequences, 14567/14872 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 556]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a28 == 7) || a17 == 8) || a19 == 1) || a11 == 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a28 == 7) || a19 == 1) || a17 == 8) || a11 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 366.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1142.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 825.3 MB in the end (delta: 220.9 MB). Peak memory consumption was 220.9 MB. Max. memory is 11.5 GB. * CodeCheck took 85895.28 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 829.4 MB). Free memory was 825.3 MB in the beginning and 1.8 GB in the end (delta: -981.8 MB). Peak memory consumption was 994.1 MB. Max. memory is 11.5 GB. * Witness Printer took 119.50 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...