./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum60.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1eeee34d6f99e95ab4cfe460fb67244bbfcd05f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum60.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1eeee34d6f99e95ab4cfe460fb67244bbfcd05f ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:56:21,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:56:21,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:56:21,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:56:21,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:56:21,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:56:21,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:56:21,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:56:21,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:56:21,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:56:21,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:56:21,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:56:21,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:56:21,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:56:21,501 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:56:21,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:56:21,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:56:21,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:56:21,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:56:21,528 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:56:21,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:56:21,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:56:21,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:56:21,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:56:21,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:56:21,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:56:21,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:56:21,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:56:21,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:56:21,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:56:21,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:56:21,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:56:21,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:56:21,560 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:56:21,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:56:21,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:56:21,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:56:21,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:56:21,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:56:21,567 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:56:21,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:56:21,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:56:21,636 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:56:21,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:56:21,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:56:21,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:56:21,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:56:21,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:56:21,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:56:21,640 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:56:21,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:56:21,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:56:21,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:56:21,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:56:21,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:56:21,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:56:21,644 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:56:21,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:56:21,645 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:56:21,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:56:21,645 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:56:21,646 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:56:21,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:56:21,646 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:56:21,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:56:21,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:56:21,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:56:21,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:56:21,648 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:56:21,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:56:21,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:56:21,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1eeee34d6f99e95ab4cfe460fb67244bbfcd05f [2020-12-01 16:56:21,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:56:22,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:56:22,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:56:22,043 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:56:22,045 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:56:22,046 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum60.i [2020-12-01 16:56:22,164 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data/8615387fa/968fd05fe90d4a089fc1db74583a03ee/FLAG46ff8b8ab [2020-12-01 16:56:22,784 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:56:22,785 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/sv-benchmarks/c/reducercommutativity/rangesum60.i [2020-12-01 16:56:22,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data/8615387fa/968fd05fe90d4a089fc1db74583a03ee/FLAG46ff8b8ab [2020-12-01 16:56:23,056 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data/8615387fa/968fd05fe90d4a089fc1db74583a03ee [2020-12-01 16:56:23,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:56:23,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:56:23,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:56:23,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:56:23,067 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:56:23,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5183d15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23, skipping insertion in model container [2020-12-01 16:56:23,071 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:56:23,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:56:23,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:56:23,341 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:56:23,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:56:23,399 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:56:23,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23 WrapperNode [2020-12-01 16:56:23,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:56:23,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:56:23,402 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:56:23,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:56:23,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:56:23,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:56:23,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:56:23,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:56:23,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... [2020-12-01 16:56:23,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:56:23,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:56:23,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:56:23,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:56:23,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:56:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/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 [2020-12-01 16:56:23,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:56:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:56:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:56:23,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:56:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:56:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:56:23,574 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2020-12-01 16:56:23,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2020-12-01 16:56:23,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:56:24,205 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:56:24,206 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 16:56:24,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:56:24 BoogieIcfgContainer [2020-12-01 16:56:24,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:56:24,210 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:56:24,210 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:56:24,223 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:56:24,224 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:56:24" (1/1) ... [2020-12-01 16:56:24,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:56:24,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2020-12-01 16:56:24,293 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2020-12-01 16:56:24,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 16:56:24,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:24,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:24,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:56:24,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:56:24,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:24,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2020-12-01 16:56:24,714 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2020-12-01 16:56:24,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 16:56:24,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:24,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:56:24,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:56:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2020-12-01 16:56:24,896 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2020-12-01 16:56:24,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:56:24,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:25,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:56:25,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:25,077 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 16:56:25,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:25,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2020-12-01 16:56:25,106 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2020-12-01 16:56:25,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 16:56:25,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:25,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:25,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:56:25,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:25,266 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:25,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:25,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2020-12-01 16:56:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2020-12-01 16:56:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:56:25,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:25,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:56:25,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:25,473 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2020-12-01 16:56:25,538 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2020-12-01 16:56:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 16:56:25,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:25,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:56:25,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:25,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:25,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2020-12-01 16:56:25,787 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2020-12-01 16:56:25,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:56:25,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:25,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 16:56:25,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:26,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2020-12-01 16:56:26,079 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-12-01 16:56:26,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:56:26,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:26,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:56:26,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:26,281 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:26,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2020-12-01 16:56:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2020-12-01 16:56:26,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:56:26,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:26,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:26,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 16:56:26,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:26,596 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:26,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2020-12-01 16:56:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2020-12-01 16:56:26,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-01 16:56:26,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:26,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:26,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 16:56:26,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2020-12-01 16:56:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2020-12-01 16:56:27,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 16:56:27,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:27,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 16:56:27,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:27,185 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:27,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:27,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2020-12-01 16:56:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2020-12-01 16:56:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:56:27,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:27,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 16:56:27,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2020-12-01 16:56:27,590 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-12-01 16:56:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 16:56:27,593 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:27,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-01 16:56:27,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2020-12-01 16:56:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2020-12-01 16:56:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:56:27,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:27,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-01 16:56:27,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2020-12-01 16:56:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-12-01 16:56:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 16:56:28,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:28,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-01 16:56:28,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2020-12-01 16:56:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2020-12-01 16:56:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 16:56:28,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:28,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 16:56:28,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:28,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2020-12-01 16:56:28,942 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-12-01 16:56:28,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 16:56:28,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:29,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-01 16:56:29,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:29,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2020-12-01 16:56:29,278 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2020-12-01 16:56:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:56:29,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:29,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 16:56:29,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:29,473 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2020-12-01 16:56:29,616 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2020-12-01 16:56:29,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 16:56:29,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:29,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-01 16:56:29,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:29,827 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:29,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2020-12-01 16:56:29,991 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2020-12-01 16:56:29,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 16:56:29,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:30,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 16:56:30,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:30,187 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:30,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2020-12-01 16:56:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2020-12-01 16:56:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:56:30,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:30,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-01 16:56:30,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:30,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2020-12-01 16:56:30,720 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2020-12-01 16:56:30,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 16:56:30,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:30,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-01 16:56:30,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:30,882 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2020-12-01 16:56:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2020-12-01 16:56:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:56:31,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:31,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-01 16:56:31,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:31,242 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:31,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:31,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2020-12-01 16:56:31,396 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2020-12-01 16:56:31,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 16:56:31,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:31,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 16:56:31,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:31,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2020-12-01 16:56:31,810 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2020-12-01 16:56:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 16:56:31,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:31,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-01 16:56:31,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2020-12-01 16:56:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2020-12-01 16:56:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 16:56:32,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:32,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 16:56:32,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:32,525 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:32,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2020-12-01 16:56:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2020-12-01 16:56:32,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 16:56:32,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:32,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 26 conjunts are in the unsatisfiable core [2020-12-01 16:56:32,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:33,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:33,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2020-12-01 16:56:33,111 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2020-12-01 16:56:33,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:56:33,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:33,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 27 conjunts are in the unsatisfiable core [2020-12-01 16:56:33,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:33,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:33,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2020-12-01 16:56:33,513 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2020-12-01 16:56:33,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 16:56:33,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:33,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 28 conjunts are in the unsatisfiable core [2020-12-01 16:56:33,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:33,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:33,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2020-12-01 16:56:33,919 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2020-12-01 16:56:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-01 16:56:33,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:34,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-01 16:56:34,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2020-12-01 16:56:34,371 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2020-12-01 16:56:34,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-01 16:56:34,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:34,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 30 conjunts are in the unsatisfiable core [2020-12-01 16:56:34,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:34,655 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2020-12-01 16:56:34,872 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2020-12-01 16:56:34,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 16:56:34,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:34,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-01 16:56:34,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:35,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:35,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2020-12-01 16:56:35,364 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2020-12-01 16:56:35,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-01 16:56:35,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:35,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-01 16:56:35,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2020-12-01 16:56:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2020-12-01 16:56:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:56:35,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:35,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 33 conjunts are in the unsatisfiable core [2020-12-01 16:56:35,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:36,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:36,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2020-12-01 16:56:36,455 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2020-12-01 16:56:36,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-01 16:56:36,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:36,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 34 conjunts are in the unsatisfiable core [2020-12-01 16:56:36,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:36,753 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:37,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:37,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2020-12-01 16:56:37,032 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-12-01 16:56:37,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:56:37,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:37,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:37,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 35 conjunts are in the unsatisfiable core [2020-12-01 16:56:37,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:37,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:37,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2020-12-01 16:56:37,629 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2020-12-01 16:56:37,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-01 16:56:37,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:37,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 36 conjunts are in the unsatisfiable core [2020-12-01 16:56:37,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:38,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2020-12-01 16:56:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-12-01 16:56:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-01 16:56:38,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:38,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 37 conjunts are in the unsatisfiable core [2020-12-01 16:56:38,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:38,547 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:38,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:38,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2020-12-01 16:56:38,820 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2020-12-01 16:56:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:56:38,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:38,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 38 conjunts are in the unsatisfiable core [2020-12-01 16:56:38,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:39,158 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:39,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:39,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2020-12-01 16:56:39,443 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2020-12-01 16:56:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-01 16:56:39,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:39,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 39 conjunts are in the unsatisfiable core [2020-12-01 16:56:39,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:39,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2020-12-01 16:56:39,953 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2020-12-01 16:56:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:56:39,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:40,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 40 conjunts are in the unsatisfiable core [2020-12-01 16:56:40,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:40,277 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:40,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:40,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2020-12-01 16:56:40,559 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2020-12-01 16:56:40,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-01 16:56:40,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:40,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-01 16:56:40,678 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:40,876 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2020-12-01 16:56:41,144 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2020-12-01 16:56:41,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-01 16:56:41,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:41,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 42 conjunts are in the unsatisfiable core [2020-12-01 16:56:41,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:41,483 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:41,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2020-12-01 16:56:41,791 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2020-12-01 16:56:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-01 16:56:41,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:41,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-01 16:56:41,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:42,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:42,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2020-12-01 16:56:42,502 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2020-12-01 16:56:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-01 16:56:42,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:42,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 44 conjunts are in the unsatisfiable core [2020-12-01 16:56:42,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:42,849 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:43,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:43,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2020-12-01 16:56:43,146 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2020-12-01 16:56:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:56:43,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:43,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 45 conjunts are in the unsatisfiable core [2020-12-01 16:56:43,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:43,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 64 states and 71 transitions. [2020-12-01 16:56:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2020-12-01 16:56:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:56:43,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:43,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 46 conjunts are in the unsatisfiable core [2020-12-01 16:56:43,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:44,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:44,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:44,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2020-12-01 16:56:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2020-12-01 16:56:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-01 16:56:44,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:44,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 47 conjunts are in the unsatisfiable core [2020-12-01 16:56:44,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:45,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2020-12-01 16:56:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2020-12-01 16:56:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-01 16:56:45,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:45,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 48 conjunts are in the unsatisfiable core [2020-12-01 16:56:45,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:45,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:45,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2020-12-01 16:56:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2020-12-01 16:56:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 16:56:45,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:46,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 49 conjunts are in the unsatisfiable core [2020-12-01 16:56:46,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:46,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2020-12-01 16:56:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2020-12-01 16:56:46,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-01 16:56:46,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:46,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 50 conjunts are in the unsatisfiable core [2020-12-01 16:56:46,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:46,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:47,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:47,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2020-12-01 16:56:47,259 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2020-12-01 16:56:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-01 16:56:47,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:47,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 51 conjunts are in the unsatisfiable core [2020-12-01 16:56:47,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:47,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:47,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 70 states and 77 transitions. [2020-12-01 16:56:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2020-12-01 16:56:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:56:47,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:48,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:48,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 52 conjunts are in the unsatisfiable core [2020-12-01 16:56:48,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:48,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:48,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2020-12-01 16:56:48,838 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2020-12-01 16:56:48,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:56:48,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:48,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 53 conjunts are in the unsatisfiable core [2020-12-01 16:56:48,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:49,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 72 states and 79 transitions. [2020-12-01 16:56:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2020-12-01 16:56:49,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:56:49,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:49,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 54 conjunts are in the unsatisfiable core [2020-12-01 16:56:49,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:50,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2020-12-01 16:56:50,380 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2020-12-01 16:56:50,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:56:50,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:50,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 55 conjunts are in the unsatisfiable core [2020-12-01 16:56:50,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 74 states and 81 transitions. [2020-12-01 16:56:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2020-12-01 16:56:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-01 16:56:51,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:51,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 56 conjunts are in the unsatisfiable core [2020-12-01 16:56:51,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:51,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 75 states and 82 transitions. [2020-12-01 16:56:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2020-12-01 16:56:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-01 16:56:51,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:52,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 57 conjunts are in the unsatisfiable core [2020-12-01 16:56:52,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2020-12-01 16:56:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2020-12-01 16:56:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 16:56:52,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:52,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 58 conjunts are in the unsatisfiable core [2020-12-01 16:56:52,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:53,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 77 states and 84 transitions. [2020-12-01 16:56:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2020-12-01 16:56:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 16:56:53,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:53,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 59 conjunts are in the unsatisfiable core [2020-12-01 16:56:53,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:54,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:54,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2020-12-01 16:56:54,406 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2020-12-01 16:56:54,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:56:54,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:54,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 60 conjunts are in the unsatisfiable core [2020-12-01 16:56:54,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:54,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:55,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2020-12-01 16:56:55,390 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2020-12-01 16:56:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-01 16:56:55,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:55,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 61 conjunts are in the unsatisfiable core [2020-12-01 16:56:55,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:55,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1792 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-12-01 16:56:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 80 states and 86 transitions. [2020-12-01 16:56:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2020-12-01 16:56:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-01 16:56:56,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:56,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:56:56,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1841 trivial. 0 not checked. [2020-12-01 16:56:57,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:57,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2020-12-01 16:56:57,081 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2020-12-01 16:56:57,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:56:57,082 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:57,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:56:57,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 1850 trivial. 0 not checked. [2020-12-01 16:56:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 82 states and 88 transitions. [2020-12-01 16:56:57,962 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2020-12-01 16:56:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-01 16:56:57,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:58,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:56:58,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:58,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2020-12-01 16:56:58,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:58,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2020-12-01 16:56:58,858 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2020-12-01 16:56:58,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-01 16:56:58,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:59,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 16:56:59,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:56:59,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1942 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2020-12-01 16:56:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:56:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 84 states and 90 transitions. [2020-12-01 16:56:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2020-12-01 16:56:59,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-01 16:56:59,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:56:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:56:59,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:56:59,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 1901 trivial. 0 not checked. [2020-12-01 16:57:00,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 85 states and 91 transitions. [2020-12-01 16:57:00,663 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2020-12-01 16:57:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-01 16:57:00,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:00,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 16:57:00,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:01,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 100 proven. 21 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked. [2020-12-01 16:57:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:01,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 86 states and 92 transitions. [2020-12-01 16:57:01,463 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2020-12-01 16:57:01,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-01 16:57:01,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:01,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 16:57:01,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 130 proven. 28 refuted. 0 times theorem prover too weak. 1955 trivial. 0 not checked. [2020-12-01 16:57:02,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:02,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 87 states and 93 transitions. [2020-12-01 16:57:02,509 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2020-12-01 16:57:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-01 16:57:02,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:02,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 16:57:02,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:02,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 164 proven. 36 refuted. 0 times theorem prover too weak. 1988 trivial. 0 not checked. [2020-12-01 16:57:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 88 states and 94 transitions. [2020-12-01 16:57:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2020-12-01 16:57:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-01 16:57:03,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:03,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 16:57:03,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 202 proven. 45 refuted. 0 times theorem prover too weak. 2025 trivial. 0 not checked. [2020-12-01 16:57:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 89 states and 95 transitions. [2020-12-01 16:57:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2020-12-01 16:57:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-01 16:57:04,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:04,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-01 16:57:04,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 244 proven. 55 refuted. 0 times theorem prover too weak. 2066 trivial. 0 not checked. [2020-12-01 16:57:04,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:04,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2020-12-01 16:57:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2020-12-01 16:57:04,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-01 16:57:04,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:05,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-01 16:57:05,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:05,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 290 proven. 66 refuted. 0 times theorem prover too weak. 2111 trivial. 0 not checked. [2020-12-01 16:57:05,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2020-12-01 16:57:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2020-12-01 16:57:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-01 16:57:05,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:05,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-01 16:57:05,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:06,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2578 backedges. 340 proven. 78 refuted. 0 times theorem prover too weak. 2160 trivial. 0 not checked. [2020-12-01 16:57:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 92 states and 98 transitions. [2020-12-01 16:57:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2020-12-01 16:57:06,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-01 16:57:06,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:07,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 16:57:07,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2698 backedges. 394 proven. 91 refuted. 0 times theorem prover too weak. 2213 trivial. 0 not checked. [2020-12-01 16:57:07,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 93 states and 99 transitions. [2020-12-01 16:57:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2020-12-01 16:57:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-01 16:57:07,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:07,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:08,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-01 16:57:08,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2827 backedges. 452 proven. 105 refuted. 0 times theorem prover too weak. 2270 trivial. 0 not checked. [2020-12-01 16:57:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 94 states and 100 transitions. [2020-12-01 16:57:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2020-12-01 16:57:08,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-01 16:57:08,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:09,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 16:57:09,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:09,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2965 backedges. 514 proven. 120 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2020-12-01 16:57:10,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2020-12-01 16:57:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2020-12-01 16:57:10,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-12-01 16:57:10,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:10,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-01 16:57:10,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 580 proven. 136 refuted. 0 times theorem prover too weak. 2396 trivial. 0 not checked. [2020-12-01 16:57:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:11,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 96 states and 102 transitions. [2020-12-01 16:57:11,052 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2020-12-01 16:57:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-12-01 16:57:11,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:11,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 16:57:11,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3268 backedges. 650 proven. 153 refuted. 0 times theorem prover too weak. 2465 trivial. 0 not checked. [2020-12-01 16:57:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 97 states and 103 transitions. [2020-12-01 16:57:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2020-12-01 16:57:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-12-01 16:57:12,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:12,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-01 16:57:12,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3433 backedges. 724 proven. 171 refuted. 0 times theorem prover too weak. 2538 trivial. 0 not checked. [2020-12-01 16:57:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:13,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 98 states and 104 transitions. [2020-12-01 16:57:13,223 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2020-12-01 16:57:13,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-01 16:57:13,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:13,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 718 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-01 16:57:13,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:13,844 INFO L134 CoverageAnalysis]: Checked inductivity of 3607 backedges. 802 proven. 190 refuted. 0 times theorem prover too weak. 2615 trivial. 0 not checked. [2020-12-01 16:57:14,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:14,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 99 states and 105 transitions. [2020-12-01 16:57:14,368 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 105 transitions. [2020-12-01 16:57:14,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:57:14,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:14,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-01 16:57:14,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:14,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3790 backedges. 884 proven. 210 refuted. 0 times theorem prover too weak. 2696 trivial. 0 not checked. [2020-12-01 16:57:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:15,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 100 states and 106 transitions. [2020-12-01 16:57:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2020-12-01 16:57:15,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-12-01 16:57:15,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:15,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 742 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 16:57:15,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:15,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3982 backedges. 970 proven. 231 refuted. 0 times theorem prover too weak. 2781 trivial. 0 not checked. [2020-12-01 16:57:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 101 states and 107 transitions. [2020-12-01 16:57:16,456 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 107 transitions. [2020-12-01 16:57:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-12-01 16:57:16,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:16,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-01 16:57:16,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:17,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 1060 proven. 253 refuted. 0 times theorem prover too weak. 2870 trivial. 0 not checked. [2020-12-01 16:57:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2020-12-01 16:57:17,671 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2020-12-01 16:57:17,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:57:17,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:17,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 766 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 16:57:17,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:18,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4393 backedges. 1154 proven. 276 refuted. 0 times theorem prover too weak. 2963 trivial. 0 not checked. [2020-12-01 16:57:18,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:18,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 103 states and 109 transitions. [2020-12-01 16:57:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions. [2020-12-01 16:57:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-12-01 16:57:18,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:19,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 26 conjunts are in the unsatisfiable core [2020-12-01 16:57:19,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4612 backedges. 1252 proven. 300 refuted. 0 times theorem prover too weak. 3060 trivial. 0 not checked. [2020-12-01 16:57:20,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 104 states and 110 transitions. [2020-12-01 16:57:20,031 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2020-12-01 16:57:20,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-12-01 16:57:20,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:20,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 790 conjuncts, 27 conjunts are in the unsatisfiable core [2020-12-01 16:57:20,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 4840 backedges. 1354 proven. 325 refuted. 0 times theorem prover too weak. 3161 trivial. 0 not checked. [2020-12-01 16:57:21,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:21,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 105 states and 111 transitions. [2020-12-01 16:57:21,056 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2020-12-01 16:57:21,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-12-01 16:57:21,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:21,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 28 conjunts are in the unsatisfiable core [2020-12-01 16:57:21,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:21,721 INFO L134 CoverageAnalysis]: Checked inductivity of 5077 backedges. 1460 proven. 351 refuted. 0 times theorem prover too weak. 3266 trivial. 0 not checked. [2020-12-01 16:57:22,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 106 states and 112 transitions. [2020-12-01 16:57:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2020-12-01 16:57:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-12-01 16:57:22,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:22,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 814 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-01 16:57:22,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:23,008 INFO L134 CoverageAnalysis]: Checked inductivity of 5323 backedges. 1570 proven. 378 refuted. 0 times theorem prover too weak. 3375 trivial. 0 not checked. [2020-12-01 16:57:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:23,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 107 states and 113 transitions. [2020-12-01 16:57:23,594 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions. [2020-12-01 16:57:23,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-12-01 16:57:23,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:23,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 30 conjunts are in the unsatisfiable core [2020-12-01 16:57:23,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:24,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5578 backedges. 1684 proven. 406 refuted. 0 times theorem prover too weak. 3488 trivial. 0 not checked. [2020-12-01 16:57:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:24,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 108 states and 114 transitions. [2020-12-01 16:57:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2020-12-01 16:57:24,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-12-01 16:57:24,817 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:25,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-01 16:57:25,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:25,430 INFO L134 CoverageAnalysis]: Checked inductivity of 5842 backedges. 1802 proven. 435 refuted. 0 times theorem prover too weak. 3605 trivial. 0 not checked. [2020-12-01 16:57:26,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 109 states and 115 transitions. [2020-12-01 16:57:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2020-12-01 16:57:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-12-01 16:57:26,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:26,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-01 16:57:26,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:26,698 INFO L134 CoverageAnalysis]: Checked inductivity of 6115 backedges. 1924 proven. 465 refuted. 0 times theorem prover too weak. 3726 trivial. 0 not checked. [2020-12-01 16:57:27,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:27,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 110 states and 116 transitions. [2020-12-01 16:57:27,227 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2020-12-01 16:57:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-12-01 16:57:27,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:27,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 33 conjunts are in the unsatisfiable core [2020-12-01 16:57:27,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:27,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6397 backedges. 2050 proven. 496 refuted. 0 times theorem prover too weak. 3851 trivial. 0 not checked. [2020-12-01 16:57:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 111 states and 117 transitions. [2020-12-01 16:57:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2020-12-01 16:57:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-12-01 16:57:28,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:28,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 34 conjunts are in the unsatisfiable core [2020-12-01 16:57:28,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:29,271 INFO L134 CoverageAnalysis]: Checked inductivity of 6688 backedges. 2180 proven. 528 refuted. 0 times theorem prover too weak. 3980 trivial. 0 not checked. [2020-12-01 16:57:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 112 states and 118 transitions. [2020-12-01 16:57:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions. [2020-12-01 16:57:29,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-01 16:57:29,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:30,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 35 conjunts are in the unsatisfiable core [2020-12-01 16:57:30,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:30,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6988 backedges. 2314 proven. 561 refuted. 0 times theorem prover too weak. 4113 trivial. 0 not checked. [2020-12-01 16:57:31,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:31,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 113 states and 119 transitions. [2020-12-01 16:57:31,234 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2020-12-01 16:57:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-12-01 16:57:31,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:31,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 36 conjunts are in the unsatisfiable core [2020-12-01 16:57:31,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 7297 backedges. 2452 proven. 595 refuted. 0 times theorem prover too weak. 4250 trivial. 0 not checked. [2020-12-01 16:57:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 114 states and 120 transitions. [2020-12-01 16:57:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2020-12-01 16:57:32,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-12-01 16:57:32,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:32,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 37 conjunts are in the unsatisfiable core [2020-12-01 16:57:32,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:33,255 INFO L134 CoverageAnalysis]: Checked inductivity of 7615 backedges. 2594 proven. 630 refuted. 0 times theorem prover too weak. 4391 trivial. 0 not checked. [2020-12-01 16:57:33,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 115 states and 121 transitions. [2020-12-01 16:57:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2020-12-01 16:57:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-12-01 16:57:33,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:34,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 38 conjunts are in the unsatisfiable core [2020-12-01 16:57:34,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:34,559 INFO L134 CoverageAnalysis]: Checked inductivity of 7942 backedges. 2740 proven. 666 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2020-12-01 16:57:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 116 states and 122 transitions. [2020-12-01 16:57:35,276 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2020-12-01 16:57:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-12-01 16:57:35,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:35,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 934 conjuncts, 39 conjunts are in the unsatisfiable core [2020-12-01 16:57:35,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:35,979 INFO L134 CoverageAnalysis]: Checked inductivity of 8278 backedges. 2890 proven. 703 refuted. 0 times theorem prover too weak. 4685 trivial. 0 not checked. [2020-12-01 16:57:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:36,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 117 states and 123 transitions. [2020-12-01 16:57:36,632 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2020-12-01 16:57:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-12-01 16:57:36,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:36,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 40 conjunts are in the unsatisfiable core [2020-12-01 16:57:36,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 8623 backedges. 3044 proven. 741 refuted. 0 times theorem prover too weak. 4838 trivial. 0 not checked. [2020-12-01 16:57:38,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:38,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2020-12-01 16:57:38,149 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2020-12-01 16:57:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-12-01 16:57:38,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:38,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-01 16:57:38,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:38,972 INFO L134 CoverageAnalysis]: Checked inductivity of 8977 backedges. 3202 proven. 780 refuted. 0 times theorem prover too weak. 4995 trivial. 0 not checked. [2020-12-01 16:57:39,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:39,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 119 states and 125 transitions. [2020-12-01 16:57:39,645 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2020-12-01 16:57:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-12-01 16:57:39,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:39,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:39,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 970 conjuncts, 42 conjunts are in the unsatisfiable core [2020-12-01 16:57:39,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:40,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9340 backedges. 3364 proven. 820 refuted. 0 times theorem prover too weak. 5156 trivial. 0 not checked. [2020-12-01 16:57:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 120 states and 126 transitions. [2020-12-01 16:57:41,152 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2020-12-01 16:57:41,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-12-01 16:57:41,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:41,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-01 16:57:41,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 9712 backedges. 3530 proven. 861 refuted. 0 times theorem prover too weak. 5321 trivial. 0 not checked. [2020-12-01 16:57:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:42,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 121 states and 127 transitions. [2020-12-01 16:57:42,800 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 127 transitions. [2020-12-01 16:57:42,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-12-01 16:57:42,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:43,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 994 conjuncts, 44 conjunts are in the unsatisfiable core [2020-12-01 16:57:43,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:43,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10093 backedges. 3700 proven. 903 refuted. 0 times theorem prover too weak. 5490 trivial. 0 not checked. [2020-12-01 16:57:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 122 states and 128 transitions. [2020-12-01 16:57:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 128 transitions. [2020-12-01 16:57:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-12-01 16:57:44,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:44,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 1006 conjuncts, 45 conjunts are in the unsatisfiable core [2020-12-01 16:57:44,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 10483 backedges. 3874 proven. 946 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2020-12-01 16:57:45,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:45,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 123 states and 129 transitions. [2020-12-01 16:57:45,984 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 129 transitions. [2020-12-01 16:57:45,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-12-01 16:57:45,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:46,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 46 conjunts are in the unsatisfiable core [2020-12-01 16:57:46,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:46,775 INFO L134 CoverageAnalysis]: Checked inductivity of 10882 backedges. 4052 proven. 990 refuted. 0 times theorem prover too weak. 5840 trivial. 0 not checked. [2020-12-01 16:57:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:47,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 124 states and 130 transitions. [2020-12-01 16:57:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 130 transitions. [2020-12-01 16:57:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-12-01 16:57:47,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:47,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 1030 conjuncts, 47 conjunts are in the unsatisfiable core [2020-12-01 16:57:47,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:48,235 INFO L134 CoverageAnalysis]: Checked inductivity of 11290 backedges. 4234 proven. 1035 refuted. 0 times theorem prover too weak. 6021 trivial. 0 not checked. [2020-12-01 16:57:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:48,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 125 states and 131 transitions. [2020-12-01 16:57:48,915 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 131 transitions. [2020-12-01 16:57:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-12-01 16:57:48,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:49,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 48 conjunts are in the unsatisfiable core [2020-12-01 16:57:49,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:49,732 INFO L134 CoverageAnalysis]: Checked inductivity of 11707 backedges. 4420 proven. 1081 refuted. 0 times theorem prover too weak. 6206 trivial. 0 not checked. [2020-12-01 16:57:50,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:50,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 126 states and 132 transitions. [2020-12-01 16:57:50,467 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 132 transitions. [2020-12-01 16:57:50,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-12-01 16:57:50,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:50,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 1054 conjuncts, 49 conjunts are in the unsatisfiable core [2020-12-01 16:57:50,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 12133 backedges. 4610 proven. 1128 refuted. 0 times theorem prover too weak. 6395 trivial. 0 not checked. [2020-12-01 16:57:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 127 states and 133 transitions. [2020-12-01 16:57:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 133 transitions. [2020-12-01 16:57:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-12-01 16:57:52,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:52,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 50 conjunts are in the unsatisfiable core [2020-12-01 16:57:52,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12568 backedges. 4804 proven. 1176 refuted. 0 times theorem prover too weak. 6588 trivial. 0 not checked. [2020-12-01 16:57:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 128 states and 134 transitions. [2020-12-01 16:57:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 134 transitions. [2020-12-01 16:57:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-12-01 16:57:53,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:53,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 51 conjunts are in the unsatisfiable core [2020-12-01 16:57:53,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13012 backedges. 5002 proven. 1225 refuted. 0 times theorem prover too weak. 6785 trivial. 0 not checked. [2020-12-01 16:57:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 129 states and 135 transitions. [2020-12-01 16:57:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 135 transitions. [2020-12-01 16:57:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-12-01 16:57:55,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:55,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 52 conjunts are in the unsatisfiable core [2020-12-01 16:57:55,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:56,178 INFO L134 CoverageAnalysis]: Checked inductivity of 13465 backedges. 5204 proven. 1275 refuted. 0 times theorem prover too weak. 6986 trivial. 0 not checked. [2020-12-01 16:57:56,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:56,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 130 states and 136 transitions. [2020-12-01 16:57:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 136 transitions. [2020-12-01 16:57:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-12-01 16:57:56,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:57,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1102 conjuncts, 53 conjunts are in the unsatisfiable core [2020-12-01 16:57:57,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 13927 backedges. 5410 proven. 1326 refuted. 0 times theorem prover too weak. 7191 trivial. 0 not checked. [2020-12-01 16:57:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:57:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 131 states and 137 transitions. [2020-12-01 16:57:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 137 transitions. [2020-12-01 16:57:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-12-01 16:57:58,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:57:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:57:59,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 54 conjunts are in the unsatisfiable core [2020-12-01 16:57:59,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:57:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 14398 backedges. 5620 proven. 1378 refuted. 0 times theorem prover too weak. 7400 trivial. 0 not checked. [2020-12-01 16:58:00,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2020-12-01 16:58:00,409 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2020-12-01 16:58:00,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-12-01 16:58:00,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:00,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1126 conjuncts, 55 conjunts are in the unsatisfiable core [2020-12-01 16:58:00,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 5834 proven. 1431 refuted. 0 times theorem prover too weak. 7613 trivial. 0 not checked. [2020-12-01 16:58:02,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2020-12-01 16:58:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2020-12-01 16:58:02,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-12-01 16:58:02,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:02,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 56 conjunts are in the unsatisfiable core [2020-12-01 16:58:02,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 15367 backedges. 6052 proven. 1485 refuted. 0 times theorem prover too weak. 7830 trivial. 0 not checked. [2020-12-01 16:58:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:03,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2020-12-01 16:58:03,810 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2020-12-01 16:58:03,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-12-01 16:58:03,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:04,126 INFO L263 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 57 conjunts are in the unsatisfiable core [2020-12-01 16:58:04,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:04,674 INFO L134 CoverageAnalysis]: Checked inductivity of 15865 backedges. 6274 proven. 1540 refuted. 0 times theorem prover too weak. 8051 trivial. 0 not checked. [2020-12-01 16:58:05,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2020-12-01 16:58:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2020-12-01 16:58:05,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2020-12-01 16:58:05,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:05,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 1162 conjuncts, 58 conjunts are in the unsatisfiable core [2020-12-01 16:58:05,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 16372 backedges. 6500 proven. 1596 refuted. 0 times theorem prover too weak. 8276 trivial. 0 not checked. [2020-12-01 16:58:07,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2020-12-01 16:58:07,367 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2020-12-01 16:58:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-12-01 16:58:07,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:07,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 1174 conjuncts, 59 conjunts are in the unsatisfiable core [2020-12-01 16:58:07,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:08,300 INFO L134 CoverageAnalysis]: Checked inductivity of 16888 backedges. 6730 proven. 1653 refuted. 0 times theorem prover too weak. 8505 trivial. 0 not checked. [2020-12-01 16:58:09,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:09,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2020-12-01 16:58:09,110 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2020-12-01 16:58:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-12-01 16:58:09,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:09,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 1186 conjuncts, 60 conjunts are in the unsatisfiable core [2020-12-01 16:58:09,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 17413 backedges. 6964 proven. 1711 refuted. 0 times theorem prover too weak. 8738 trivial. 0 not checked. [2020-12-01 16:58:10,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2020-12-01 16:58:10,891 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2020-12-01 16:58:10,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2020-12-01 16:58:10,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:11,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 61 conjunts are in the unsatisfiable core [2020-12-01 16:58:11,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:11,645 INFO L134 CoverageAnalysis]: Checked inductivity of 17947 backedges. 7202 proven. 1770 refuted. 0 times theorem prover too weak. 8975 trivial. 0 not checked. [2020-12-01 16:58:12,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 139 states and 144 transitions. [2020-12-01 16:58:12,367 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2020-12-01 16:58:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2020-12-01 16:58:12,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:12,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1210 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-01 16:58:12,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 18490 backedges. 7446 proven. 1 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2020-12-01 16:58:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2020-12-01 16:58:14,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2020-12-01 16:58:14,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:14,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-01 16:58:14,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:15,161 INFO L134 CoverageAnalysis]: Checked inductivity of 18492 backedges. 7446 proven. 3 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:16,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:16,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2020-12-01 16:58:16,050 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2020-12-01 16:58:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2020-12-01 16:58:16,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:16,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 16:58:16,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:17,019 INFO L134 CoverageAnalysis]: Checked inductivity of 18495 backedges. 7446 proven. 6 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:17,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 142 states and 147 transitions. [2020-12-01 16:58:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 147 transitions. [2020-12-01 16:58:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-12-01 16:58:17,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:18,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 1222 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-01 16:58:18,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 18499 backedges. 7446 proven. 10 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 143 states and 148 transitions. [2020-12-01 16:58:19,825 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 148 transitions. [2020-12-01 16:58:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-12-01 16:58:19,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:20,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1226 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 16:58:20,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 18504 backedges. 7446 proven. 15 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:21,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:21,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 144 states and 149 transitions. [2020-12-01 16:58:21,646 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 149 transitions. [2020-12-01 16:58:21,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2020-12-01 16:58:21,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:21,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 1230 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 16:58:21,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 18510 backedges. 7446 proven. 21 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 145 states and 150 transitions. [2020-12-01 16:58:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2020-12-01 16:58:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-12-01 16:58:23,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:23,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 16:58:23,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 18517 backedges. 7446 proven. 28 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:25,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:25,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 146 states and 151 transitions. [2020-12-01 16:58:25,573 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 151 transitions. [2020-12-01 16:58:25,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-12-01 16:58:25,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:25,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 1238 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 16:58:25,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:26,523 INFO L134 CoverageAnalysis]: Checked inductivity of 18525 backedges. 7446 proven. 36 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:27,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:27,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 147 states and 152 transitions. [2020-12-01 16:58:27,536 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 152 transitions. [2020-12-01 16:58:27,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2020-12-01 16:58:27,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:27,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 1242 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 16:58:27,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 18534 backedges. 7446 proven. 45 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:29,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 148 states and 153 transitions. [2020-12-01 16:58:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2020-12-01 16:58:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2020-12-01 16:58:29,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:30,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-01 16:58:30,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 18544 backedges. 7446 proven. 55 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:32,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 149 states and 154 transitions. [2020-12-01 16:58:32,315 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 154 transitions. [2020-12-01 16:58:32,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2020-12-01 16:58:32,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:32,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-01 16:58:32,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:33,682 INFO L134 CoverageAnalysis]: Checked inductivity of 18555 backedges. 7446 proven. 66 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:34,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:34,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 150 states and 155 transitions. [2020-12-01 16:58:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 155 transitions. [2020-12-01 16:58:34,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-12-01 16:58:34,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:35,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-01 16:58:35,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 18567 backedges. 7446 proven. 78 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:36,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 151 states and 156 transitions. [2020-12-01 16:58:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 156 transitions. [2020-12-01 16:58:36,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-12-01 16:58:36,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:37,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 1258 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 16:58:37,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 18580 backedges. 7446 proven. 91 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:38,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:38,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 152 states and 157 transitions. [2020-12-01 16:58:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 157 transitions. [2020-12-01 16:58:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2020-12-01 16:58:38,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:39,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1262 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-01 16:58:39,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 18594 backedges. 7446 proven. 105 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:40,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:40,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 153 states and 158 transitions. [2020-12-01 16:58:40,864 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 158 transitions. [2020-12-01 16:58:40,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-12-01 16:58:40,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:41,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 16:58:41,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:41,987 INFO L134 CoverageAnalysis]: Checked inductivity of 18609 backedges. 7446 proven. 120 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:43,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 154 states and 159 transitions. [2020-12-01 16:58:43,008 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2020-12-01 16:58:43,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-12-01 16:58:43,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:43,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 1270 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-01 16:58:43,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:44,022 INFO L134 CoverageAnalysis]: Checked inductivity of 18625 backedges. 7446 proven. 136 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:45,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:45,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 155 states and 160 transitions. [2020-12-01 16:58:45,110 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 160 transitions. [2020-12-01 16:58:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-12-01 16:58:45,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:45,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 16:58:45,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 18642 backedges. 7446 proven. 153 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 156 states and 161 transitions. [2020-12-01 16:58:47,321 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2020-12-01 16:58:47,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-12-01 16:58:47,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:47,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 1278 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-01 16:58:47,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:48,395 INFO L134 CoverageAnalysis]: Checked inductivity of 18660 backedges. 7446 proven. 171 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:49,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 157 states and 162 transitions. [2020-12-01 16:58:49,575 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2020-12-01 16:58:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-12-01 16:58:49,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:49,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 1282 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-01 16:58:49,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:50,827 INFO L134 CoverageAnalysis]: Checked inductivity of 18679 backedges. 7446 proven. 190 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 158 states and 163 transitions. [2020-12-01 16:58:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 163 transitions. [2020-12-01 16:58:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-12-01 16:58:52,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:52,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-01 16:58:52,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:53,361 INFO L134 CoverageAnalysis]: Checked inductivity of 18699 backedges. 7446 proven. 210 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:54,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 159 states and 164 transitions. [2020-12-01 16:58:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 164 transitions. [2020-12-01 16:58:54,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2020-12-01 16:58:54,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:54,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 1290 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 16:58:54,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18720 backedges. 7446 proven. 231 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:56,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 160 states and 165 transitions. [2020-12-01 16:58:56,927 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2020-12-01 16:58:56,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2020-12-01 16:58:56,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:57,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 1294 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-01 16:58:57,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:58:57,931 INFO L134 CoverageAnalysis]: Checked inductivity of 18742 backedges. 7446 proven. 253 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:58:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:58:59,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 161 states and 166 transitions. [2020-12-01 16:58:59,050 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 166 transitions. [2020-12-01 16:58:59,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-12-01 16:58:59,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:58:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:58:59,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 16:58:59,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:00,072 INFO L134 CoverageAnalysis]: Checked inductivity of 18765 backedges. 7446 proven. 276 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:01,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 162 states and 167 transitions. [2020-12-01 16:59:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 167 transitions. [2020-12-01 16:59:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-12-01 16:59:01,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:01,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:01,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 1302 conjuncts, 26 conjunts are in the unsatisfiable core [2020-12-01 16:59:01,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 18789 backedges. 7446 proven. 300 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:04,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 163 states and 168 transitions. [2020-12-01 16:59:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2020-12-01 16:59:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-12-01 16:59:04,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:04,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 1306 conjuncts, 27 conjunts are in the unsatisfiable core [2020-12-01 16:59:04,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 18814 backedges. 7446 proven. 325 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:06,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 164 states and 169 transitions. [2020-12-01 16:59:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 169 transitions. [2020-12-01 16:59:06,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2020-12-01 16:59:06,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:07,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 1310 conjuncts, 28 conjunts are in the unsatisfiable core [2020-12-01 16:59:07,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 18840 backedges. 7446 proven. 351 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:08,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 165 states and 170 transitions. [2020-12-01 16:59:08,898 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 170 transitions. [2020-12-01 16:59:08,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2020-12-01 16:59:08,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:09,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-01 16:59:09,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 18867 backedges. 7446 proven. 378 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:10,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:10,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 166 states and 171 transitions. [2020-12-01 16:59:10,785 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2020-12-01 16:59:10,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2020-12-01 16:59:10,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:11,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 1318 conjuncts, 30 conjunts are in the unsatisfiable core [2020-12-01 16:59:11,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 18895 backedges. 7446 proven. 406 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:12,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 167 states and 172 transitions. [2020-12-01 16:59:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 172 transitions. [2020-12-01 16:59:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-12-01 16:59:12,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:13,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-01 16:59:13,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:14,027 INFO L134 CoverageAnalysis]: Checked inductivity of 18924 backedges. 7446 proven. 435 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:15,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:15,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 168 states and 173 transitions. [2020-12-01 16:59:15,174 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 173 transitions. [2020-12-01 16:59:15,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-12-01 16:59:15,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:15,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 1326 conjuncts, 32 conjunts are in the unsatisfiable core [2020-12-01 16:59:15,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 18954 backedges. 7446 proven. 465 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 169 states and 174 transitions. [2020-12-01 16:59:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 174 transitions. [2020-12-01 16:59:17,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-12-01 16:59:17,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:17,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 33 conjunts are in the unsatisfiable core [2020-12-01 16:59:17,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 18985 backedges. 7446 proven. 496 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:19,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 170 states and 175 transitions. [2020-12-01 16:59:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 175 transitions. [2020-12-01 16:59:19,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-12-01 16:59:19,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:20,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1334 conjuncts, 34 conjunts are in the unsatisfiable core [2020-12-01 16:59:20,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 19017 backedges. 7446 proven. 528 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:22,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 171 states and 176 transitions. [2020-12-01 16:59:22,000 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 176 transitions. [2020-12-01 16:59:22,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2020-12-01 16:59:22,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:22,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 35 conjunts are in the unsatisfiable core [2020-12-01 16:59:22,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 19050 backedges. 7446 proven. 561 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:24,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 172 states and 177 transitions. [2020-12-01 16:59:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2020-12-01 16:59:24,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2020-12-01 16:59:24,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:24,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 36 conjunts are in the unsatisfiable core [2020-12-01 16:59:24,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:25,447 INFO L134 CoverageAnalysis]: Checked inductivity of 19084 backedges. 7446 proven. 595 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:26,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 173 states and 178 transitions. [2020-12-01 16:59:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 178 transitions. [2020-12-01 16:59:26,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2020-12-01 16:59:26,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:27,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 37 conjunts are in the unsatisfiable core [2020-12-01 16:59:27,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 19119 backedges. 7446 proven. 630 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 174 states and 179 transitions. [2020-12-01 16:59:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 179 transitions. [2020-12-01 16:59:29,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-12-01 16:59:29,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:29,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 38 conjunts are in the unsatisfiable core [2020-12-01 16:59:29,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 19155 backedges. 7446 proven. 666 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:31,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:31,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 175 states and 180 transitions. [2020-12-01 16:59:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 180 transitions. [2020-12-01 16:59:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-12-01 16:59:31,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:31,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:31,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 1354 conjuncts, 39 conjunts are in the unsatisfiable core [2020-12-01 16:59:31,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:32,369 INFO L134 CoverageAnalysis]: Checked inductivity of 19192 backedges. 7446 proven. 703 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:33,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:33,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 176 states and 181 transitions. [2020-12-01 16:59:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 181 transitions. [2020-12-01 16:59:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2020-12-01 16:59:33,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:34,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 40 conjunts are in the unsatisfiable core [2020-12-01 16:59:34,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 19230 backedges. 7446 proven. 741 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:36,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:36,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 177 states and 182 transitions. [2020-12-01 16:59:36,154 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 182 transitions. [2020-12-01 16:59:36,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-12-01 16:59:36,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:36,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 41 conjunts are in the unsatisfiable core [2020-12-01 16:59:36,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:37,297 INFO L134 CoverageAnalysis]: Checked inductivity of 19269 backedges. 7446 proven. 780 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:38,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 178 states and 183 transitions. [2020-12-01 16:59:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 183 transitions. [2020-12-01 16:59:38,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-12-01 16:59:38,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:38,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 42 conjunts are in the unsatisfiable core [2020-12-01 16:59:38,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 19309 backedges. 7446 proven. 820 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:41,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 179 states and 184 transitions. [2020-12-01 16:59:41,243 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 184 transitions. [2020-12-01 16:59:41,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2020-12-01 16:59:41,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:41,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:41,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 1370 conjuncts, 43 conjunts are in the unsatisfiable core [2020-12-01 16:59:41,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 19350 backedges. 7446 proven. 861 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:43,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 180 states and 185 transitions. [2020-12-01 16:59:43,893 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 185 transitions. [2020-12-01 16:59:43,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-12-01 16:59:43,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:44,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 44 conjunts are in the unsatisfiable core [2020-12-01 16:59:44,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 19392 backedges. 7446 proven. 903 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:46,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:46,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 181 states and 186 transitions. [2020-12-01 16:59:46,540 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 186 transitions. [2020-12-01 16:59:46,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2020-12-01 16:59:46,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:46,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 45 conjunts are in the unsatisfiable core [2020-12-01 16:59:46,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:47,622 INFO L134 CoverageAnalysis]: Checked inductivity of 19435 backedges. 7446 proven. 946 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:48,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:48,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 182 states and 187 transitions. [2020-12-01 16:59:48,763 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 187 transitions. [2020-12-01 16:59:48,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-12-01 16:59:48,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:49,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 46 conjunts are in the unsatisfiable core [2020-12-01 16:59:49,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 19479 backedges. 7446 proven. 990 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:51,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 183 states and 188 transitions. [2020-12-01 16:59:51,138 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 188 transitions. [2020-12-01 16:59:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2020-12-01 16:59:51,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:51,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 1386 conjuncts, 47 conjunts are in the unsatisfiable core [2020-12-01 16:59:51,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 19524 backedges. 7446 proven. 1035 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:53,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:53,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 184 states and 189 transitions. [2020-12-01 16:59:53,618 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 189 transitions. [2020-12-01 16:59:53,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2020-12-01 16:59:53,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:53,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 1390 conjuncts, 48 conjunts are in the unsatisfiable core [2020-12-01 16:59:53,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 19570 backedges. 7446 proven. 1081 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:56,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 185 states and 190 transitions. [2020-12-01 16:59:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 190 transitions. [2020-12-01 16:59:56,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-12-01 16:59:56,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:56,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 49 conjunts are in the unsatisfiable core [2020-12-01 16:59:56,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:59:57,147 INFO L134 CoverageAnalysis]: Checked inductivity of 19617 backedges. 7446 proven. 1128 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 16:59:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:59:58,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 186 states and 191 transitions. [2020-12-01 16:59:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 191 transitions. [2020-12-01 16:59:58,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-12-01 16:59:58,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:59:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:59:59,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1398 conjuncts, 50 conjunts are in the unsatisfiable core [2020-12-01 16:59:59,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 19665 backedges. 7446 proven. 1176 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:01,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 187 states and 192 transitions. [2020-12-01 17:00:01,627 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 192 transitions. [2020-12-01 17:00:01,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2020-12-01 17:00:01,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:01,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 1402 conjuncts, 51 conjunts are in the unsatisfiable core [2020-12-01 17:00:01,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:03,033 INFO L134 CoverageAnalysis]: Checked inductivity of 19714 backedges. 7446 proven. 1225 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:04,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:04,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 188 states and 193 transitions. [2020-12-01 17:00:04,552 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 193 transitions. [2020-12-01 17:00:04,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2020-12-01 17:00:04,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:04,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 52 conjunts are in the unsatisfiable core [2020-12-01 17:00:04,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 19764 backedges. 7446 proven. 1275 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 189 states and 194 transitions. [2020-12-01 17:00:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 194 transitions. [2020-12-01 17:00:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-12-01 17:00:07,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:07,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 1410 conjuncts, 53 conjunts are in the unsatisfiable core [2020-12-01 17:00:07,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:08,984 INFO L134 CoverageAnalysis]: Checked inductivity of 19815 backedges. 7446 proven. 1326 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:10,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 190 states and 195 transitions. [2020-12-01 17:00:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 195 transitions. [2020-12-01 17:00:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2020-12-01 17:00:10,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:10,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 1414 conjuncts, 54 conjunts are in the unsatisfiable core [2020-12-01 17:00:10,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:11,763 INFO L134 CoverageAnalysis]: Checked inductivity of 19867 backedges. 7446 proven. 1378 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:13,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 191 states and 196 transitions. [2020-12-01 17:00:13,283 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 196 transitions. [2020-12-01 17:00:13,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2020-12-01 17:00:13,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:13,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 1418 conjuncts, 55 conjunts are in the unsatisfiable core [2020-12-01 17:00:13,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:14,619 INFO L134 CoverageAnalysis]: Checked inductivity of 19920 backedges. 7446 proven. 1431 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 192 states and 197 transitions. [2020-12-01 17:00:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 197 transitions. [2020-12-01 17:00:16,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-12-01 17:00:16,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:16,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 56 conjunts are in the unsatisfiable core [2020-12-01 17:00:16,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:17,689 INFO L134 CoverageAnalysis]: Checked inductivity of 19974 backedges. 7446 proven. 1485 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:19,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:19,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 193 states and 198 transitions. [2020-12-01 17:00:19,224 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2020-12-01 17:00:19,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2020-12-01 17:00:19,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:19,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 57 conjunts are in the unsatisfiable core [2020-12-01 17:00:19,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:20,618 INFO L134 CoverageAnalysis]: Checked inductivity of 20029 backedges. 7446 proven. 1540 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 194 states and 199 transitions. [2020-12-01 17:00:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 199 transitions. [2020-12-01 17:00:22,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2020-12-01 17:00:22,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:22,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 58 conjunts are in the unsatisfiable core [2020-12-01 17:00:22,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:23,513 INFO L134 CoverageAnalysis]: Checked inductivity of 20085 backedges. 7446 proven. 1596 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:25,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:25,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 195 states and 200 transitions. [2020-12-01 17:00:25,115 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 200 transitions. [2020-12-01 17:00:25,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2020-12-01 17:00:25,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:25,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 1434 conjuncts, 59 conjunts are in the unsatisfiable core [2020-12-01 17:00:25,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 20142 backedges. 7446 proven. 1653 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 196 states and 201 transitions. [2020-12-01 17:00:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 201 transitions. [2020-12-01 17:00:28,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2020-12-01 17:00:28,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:00:28,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 1438 conjuncts, 60 conjunts are in the unsatisfiable core [2020-12-01 17:00:28,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:00:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 7446 proven. 1711 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2020-12-01 17:00:31,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 197 states and 201 transitions. [2020-12-01 17:00:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 201 transitions. [2020-12-01 17:00:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2020-12-01 17:00:31,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:41,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2020-12-01 17:00:41,998 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 17:00:42,004 INFO L168 Benchmark]: Toolchain (without parser) took 258941.98 ms. Allocated memory was 88.1 MB in the beginning and 1.8 GB in the end (delta: 1.8 GB). Free memory was 57.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 633.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:42,005 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 46.8 MB in the beginning and 46.7 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:00:42,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.94 ms. Allocated memory is still 88.1 MB. Free memory was 56.9 MB in the beginning and 65.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:42,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.30 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 64.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:42,007 INFO L168 Benchmark]: Boogie Preprocessor took 34.32 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 63.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:42,008 INFO L168 Benchmark]: RCFGBuilder took 718.24 ms. Allocated memory is still 88.1 MB. Free memory was 63.0 MB in the beginning and 38.4 MB in the end (delta: 24.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:42,008 INFO L168 Benchmark]: CodeCheck took 257791.87 ms. Allocated memory was 88.1 MB in the beginning and 1.8 GB in the end (delta: 1.8 GB). Free memory was 38.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 618.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:42,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:495) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 88.1 MB. Free memory was 46.8 MB in the beginning and 46.7 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 337.94 ms. Allocated memory is still 88.1 MB. Free memory was 56.9 MB in the beginning and 65.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.30 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 64.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.32 ms. Allocated memory is still 88.1 MB. Free memory was 64.3 MB in the beginning and 63.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 718.24 ms. Allocated memory is still 88.1 MB. Free memory was 63.0 MB in the beginning and 38.4 MB in the end (delta: 24.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 257791.87 ms. Allocated memory was 88.1 MB in the beginning and 1.8 GB in the end (delta: 1.8 GB). Free memory was 38.4 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 618.0 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 17:00:44,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:00:44,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:00:44,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:00:44,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:00:44,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:00:44,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:00:44,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:00:44,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:00:44,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:00:44,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:00:44,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:00:44,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:00:44,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:00:44,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:00:44,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:00:44,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:00:44,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:00:44,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:00:44,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:00:44,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:00:44,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:00:44,823 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:00:44,824 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:00:44,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:00:44,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:00:44,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:00:44,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:00:44,831 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:00:44,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:00:44,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:00:44,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:00:44,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:00:44,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:00:44,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:00:44,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:00:44,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:00:44,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:00:44,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:00:44,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:00:44,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:00:44,846 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2020-12-01 17:00:44,875 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:00:44,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:00:44,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:00:44,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:00:44,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:00:44,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:00:44,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:00:44,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:00:44,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:00:44,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:00:44,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:00:44,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:00:44,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:00:44,881 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-01 17:00:44,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 17:00:44,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 17:00:44,881 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:00:44,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:00:44,882 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:00:44,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:00:44,882 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:00:44,883 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:00:44,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:00:44,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:00:44,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:00:44,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:00:44,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:00:44,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:00:44,885 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-01 17:00:44,885 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 17:00:44,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:00:44,885 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-12-01 17:00:44,886 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 17:00:44,886 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1eeee34d6f99e95ab4cfe460fb67244bbfcd05f [2020-12-01 17:00:45,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:00:45,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:00:45,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:00:45,294 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:00:45,295 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:00:45,296 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/../../sv-benchmarks/c/reducercommutativity/rangesum60.i [2020-12-01 17:00:45,358 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data/b6b623954/eefe5c1170274a57a4d459e786f466d4/FLAGaf33fa5cc [2020-12-01 17:00:45,842 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:00:45,843 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/sv-benchmarks/c/reducercommutativity/rangesum60.i [2020-12-01 17:00:45,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data/b6b623954/eefe5c1170274a57a4d459e786f466d4/FLAGaf33fa5cc [2020-12-01 17:00:46,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/bin/ukojak/data/b6b623954/eefe5c1170274a57a4d459e786f466d4 [2020-12-01 17:00:46,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:00:46,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:00:46,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:00:46,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:00:46,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:00:46,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583e7e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46, skipping insertion in model container [2020-12-01 17:00:46,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:00:46,250 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:00:46,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:00:46,441 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:00:46,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:00:46,521 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:00:46,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46 WrapperNode [2020-12-01 17:00:46,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:00:46,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:00:46,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:00:46,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:00:46,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:00:46,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:00:46,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:00:46,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:00:46,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... [2020-12-01 17:00:46,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:00:46,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:00:46,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:00:46,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:00:46,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:00:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f1ed1bd4-2642-4a26-a52a-010d3279b91a/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 [2020-12-01 17:00:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 17:00:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:00:46,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 17:00:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:00:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:00:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2020-12-01 17:00:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2020-12-01 17:00:46,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:00:46,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 17:00:48,102 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:00:48,102 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 17:00:48,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:00:48 BoogieIcfgContainer [2020-12-01 17:00:48,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:00:48,106 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:00:48,106 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:00:48,117 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:00:48,118 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:00:48" (1/1) ... [2020-12-01 17:00:48,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:00:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:00:48,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2020-12-01 17:00:48,173 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2020-12-01 17:00:48,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:00:48,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:00:48,230 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:448) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-01 17:00:48,236 INFO L168 Benchmark]: Toolchain (without parser) took 2015.78 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.6 MB in the beginning and 40.2 MB in the end (delta: -8.6 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:48,237 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:00:48,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.97 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 34.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:48,240 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.31 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 34.5 MB in the beginning and 49.8 MB in the end (delta: -15.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:48,241 INFO L168 Benchmark]: Boogie Preprocessor took 35.16 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:00:48,241 INFO L168 Benchmark]: RCFGBuilder took 1444.43 ms. Allocated memory is still 67.1 MB. Free memory was 48.4 MB in the beginning and 45.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:48,242 INFO L168 Benchmark]: CodeCheck took 127.48 ms. Allocated memory is still 67.1 MB. Free memory was 45.2 MB in the beginning and 40.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:00:48,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 304.97 ms. Allocated memory is still 54.5 MB. Free memory was 31.4 MB in the beginning and 34.5 MB in the end (delta: -3.1 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 97.31 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 34.5 MB in the beginning and 49.8 MB in the end (delta: -15.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.16 ms. Allocated memory is still 67.1 MB. Free memory was 49.8 MB in the beginning and 48.4 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1444.43 ms. Allocated memory is still 67.1 MB. Free memory was 48.4 MB in the beginning and 45.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 16.1 GB. * CodeCheck took 127.48 ms. Allocated memory is still 67.1 MB. Free memory was 45.2 MB in the beginning and 40.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...