./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c --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_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/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 1cc9cf79891afa42e51c5a84218adbd4a63e1151 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:52:28,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:52:28,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:52:28,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:52:28,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:52:28,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:52:28,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:52:28,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:52:28,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:52:28,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:52:28,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:52:28,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:52:28,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:52:28,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:52:28,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:52:28,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:52:28,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:52:28,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:52:28,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:52:28,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:52:28,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:52:28,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:52:28,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:52:28,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:52:28,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:52:28,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:52:28,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:52:28,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:52:28,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:52:28,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:52:28,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:52:28,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:52:28,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:52:28,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:52:28,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:52:28,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:52:28,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:52:28,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:52:28,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:52:28,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:52:28,761 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:52:28,762 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:52:28,789 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:52:28,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:52:28,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:52:28,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:52:28,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:52:28,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:52:28,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:52:28,793 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:52:28,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:52:28,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:52:28,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:52:28,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:52:28,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:52:28,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:52:28,794 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:52:28,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:52:28,795 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:52:28,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:52:28,795 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:52:28,796 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:52:28,796 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:52:28,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:52:28,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:52:28,797 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:52:28,797 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:52:28,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:52:28,797 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:52:28,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:52:28,798 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:52:28,798 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_d19570e0-501e-4f31-a637-bcd7f41484f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cc9cf79891afa42e51c5a84218adbd4a63e1151 [2020-12-01 17:52:29,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:52:29,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:52:29,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:52:29,084 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:52:29,094 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:52:29,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2020-12-01 17:52:29,182 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/data/1f8919f63/34d9145ce9634d04ab091c3fde386b7b/FLAG2bc1ebebf [2020-12-01 17:52:29,649 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:52:29,650 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2020-12-01 17:52:29,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/data/1f8919f63/34d9145ce9634d04ab091c3fde386b7b/FLAG2bc1ebebf [2020-12-01 17:52:30,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/data/1f8919f63/34d9145ce9634d04ab091c3fde386b7b [2020-12-01 17:52:30,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:52:30,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:52:30,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:52:30,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:52:30,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:52:30,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4b2a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30, skipping insertion in model container [2020-12-01 17:52:30,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:52:30,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:52:30,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:52:30,289 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:52:30,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:52:30,325 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:52:30,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30 WrapperNode [2020-12-01 17:52:30,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:52:30,327 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:52:30,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:52:30,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:52:30,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:52:30,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:52:30,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:52:30,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:52:30,381 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:52:30,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:52:30,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:52:30,399 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:52:30,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:52:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/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 17:52:30,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-12-01 17:52:30,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-12-01 17:52:30,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:52:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:52:30,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:52:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:52:30,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 17:52:30,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 17:52:30,850 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:52:30,850 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:52:30,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:52:30 BoogieIcfgContainer [2020-12-01 17:52:30,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:52:30,854 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:52:30,854 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:52:30,878 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:52:30,878 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:52:30" (1/1) ... [2020-12-01 17:52:30,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:52:30,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:30,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2020-12-01 17:52:30,966 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2020-12-01 17:52:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:52:30,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:31,169 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:52:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2020-12-01 17:52:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-12-01 17:52:31,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:52:31,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:31,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:52:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 25 transitions. [2020-12-01 17:52:31,400 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-12-01 17:52:31,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:52:31,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:31,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-01 17:52:31,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:31,717 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:52:32,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 35 transitions. [2020-12-01 17:52:32,316 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2020-12-01 17:52:32,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:52:32,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:32,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-01 17:52:32,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:32,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:52:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 46 transitions. [2020-12-01 17:52:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2020-12-01 17:52:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:52:32,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:33,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-01 17:52:33,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:52:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 38 states and 67 transitions. [2020-12-01 17:52:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2020-12-01 17:52:35,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:52:35,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:35,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 28 conjunts are in the unsatisfiable core [2020-12-01 17:52:35,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:35,518 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:52:35,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:35,531 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:35,549 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:52:38,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:38,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 45 states and 86 transitions. [2020-12-01 17:52:38,018 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2020-12-01 17:52:38,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:52:38,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:38,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-01 17:52:38,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:38,300 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:52:38,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:38,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:52:39,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 48 states and 95 transitions. [2020-12-01 17:52:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2020-12-01 17:52:39,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:52:39,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:39,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 17:52:39,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:52:42,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:42,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 56 states and 125 transitions. [2020-12-01 17:52:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 125 transitions. [2020-12-01 17:52:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:52:42,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:42,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core [2020-12-01 17:52:42,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:43,410 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:52:43,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:43,696 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 4, 1] term [2020-12-01 17:52:43,696 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:43,701 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:52:43,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:43,711 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:52:43,720 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:52:43,736 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:52:47,986 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2020-12-01 17:52:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:50,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 66 states and 155 transitions. [2020-12-01 17:52:50,563 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 155 transitions. [2020-12-01 17:52:50,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:52:50,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:50,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-01 17:52:50,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:50,875 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:52:50,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:50,903 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 4, 1] term [2020-12-01 17:52:50,904 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:50,906 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:52:50,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:50,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:52:50,912 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:52:50,926 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:52:52,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:52,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 69 states and 162 transitions. [2020-12-01 17:52:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 162 transitions. [2020-12-01 17:52:52,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:52:52,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:52,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 17:52:52,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:52:53,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 69 states and 161 transitions. [2020-12-01 17:52:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 161 transitions. [2020-12-01 17:52:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:52:53,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:53,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core [2020-12-01 17:52:53,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:53,931 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:52:53,932 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:53,958 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 4, 1] term [2020-12-01 17:52:53,959 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:53,961 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:52:53,962 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:53,964 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-01 17:52:53,966 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-01 17:52:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:52:54,232 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2020-12-01 17:52:55,202 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-12-01 17:52:55,900 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 17:52:56,310 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-12-01 17:52:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:57,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 72 states and 166 transitions. [2020-12-01 17:52:57,124 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 166 transitions. [2020-12-01 17:52:57,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:52:57,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:57,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-01 17:52:57,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:52:57,363 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:52:57,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:57,749 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2020-12-01 17:52:57,769 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:52:57,770 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:57,772 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-01 17:52:57,772 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:52:57,784 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:53:00,519 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-12-01 17:53:01,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 75 states and 178 transitions. [2020-12-01 17:53:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 178 transitions. [2020-12-01 17:53:01,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:01,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:01,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:01,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 17:53:01,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:01,597 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:53:06,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 83 states and 218 transitions. [2020-12-01 17:53:06,353 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 218 transitions. [2020-12-01 17:53:06,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:06,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:06,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 30 conjunts are in the unsatisfiable core [2020-12-01 17:53:06,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:06,479 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:53:06,479 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:07,334 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:53:07,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:07,978 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-12-01 17:53:08,003 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 1] term [2020-12-01 17:53:08,003 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:08,005 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-01 17:53:08,005 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:08,008 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-12-01 17:53:08,009 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:08,010 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 2, 1] term [2020-12-01 17:53:08,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:08,013 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-01 17:53:08,028 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:53:08,747 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-12-01 17:53:09,076 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2020-12-01 17:53:10,189 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2020-12-01 17:53:10,900 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 17:53:11,796 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 17:53:12,149 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 42 [2020-12-01 17:53:12,419 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 17:53:12,930 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-01 17:53:13,497 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 17:53:13,855 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-01 17:53:14,472 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 17:53:14,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 87 states and 236 transitions. [2020-12-01 17:53:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 236 transitions. [2020-12-01 17:53:14,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:14,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:14,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 30 conjunts are in the unsatisfiable core [2020-12-01 17:53:14,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:14,723 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:53:14,723 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:15,455 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:53:15,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:15,457 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:53:15,458 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:15,834 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 1] term [2020-12-01 17:53:15,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:15,836 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-01 17:53:15,837 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:15,839 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-12-01 17:53:15,840 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:15,842 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 2, 1] term [2020-12-01 17:53:15,842 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:15,844 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-01 17:53:15,861 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:53:16,307 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2020-12-01 17:53:16,715 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2020-12-01 17:53:17,673 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-01 17:53:18,100 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2020-12-01 17:53:18,364 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-01 17:53:19,326 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-01 17:53:19,711 WARN L197 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2020-12-01 17:53:20,064 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-12-01 17:53:21,131 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-01 17:53:21,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 90 states and 242 transitions. [2020-12-01 17:53:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 242 transitions. [2020-12-01 17:53:21,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:21,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:21,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 17:53:21,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:21,292 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:53:22,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:22,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 90 states and 241 transitions. [2020-12-01 17:53:22,449 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 241 transitions. [2020-12-01 17:53:22,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:22,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:22,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 30 conjunts are in the unsatisfiable core [2020-12-01 17:53:22,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:22,577 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:53:22,577 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:23,094 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:53:23,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:23,119 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 1] term [2020-12-01 17:53:23,119 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:23,121 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-12-01 17:53:23,122 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:23,123 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 2, 1] term [2020-12-01 17:53:23,124 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:23,126 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-01 17:53:23,126 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:23,128 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-01 17:53:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-01 17:53:23,573 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 17 [2020-12-01 17:53:27,110 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-12-01 17:53:27,410 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 17:53:28,571 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 17:53:29,012 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 41 [2020-12-01 17:53:29,365 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 17:53:30,627 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-12-01 17:53:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:30,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 95 states and 256 transitions. [2020-12-01 17:53:30,682 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 256 transitions. [2020-12-01 17:53:30,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:30,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:30,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-01 17:53:30,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:30,795 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:53:30,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:31,629 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:53:31,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:32,350 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2020-12-01 17:53:32,365 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 2, 5, 1] term [2020-12-01 17:53:32,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:32,368 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-12-01 17:53:32,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:32,370 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 2, 1] term [2020-12-01 17:53:32,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:32,373 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-01 17:53:32,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 23 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 17:53:32,709 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-12-01 17:53:33,032 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2020-12-01 17:53:38,692 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 15 [2020-12-01 17:53:39,246 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-12-01 17:53:40,391 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-12-01 17:53:40,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:40,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 99 states and 273 transitions. [2020-12-01 17:53:40,491 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 273 transitions. [2020-12-01 17:53:40,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:40,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:40,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 17:53:40,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:53:41,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 99 states and 272 transitions. [2020-12-01 17:53:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 272 transitions. [2020-12-01 17:53:41,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:53:41,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:42,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-01 17:53:42,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:53:43,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:53:43,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 100 states and 276 transitions. [2020-12-01 17:53:43,053 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 276 transitions. [2020-12-01 17:53:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:53:43,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:53:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:53:43,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-01 17:53:43,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:53:43,188 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:53:43,188 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:43,637 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:53:43,637 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:44,189 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 5, 1] term [2020-12-01 17:53:44,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:44,191 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:53:44,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:44,193 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-12-01 17:53:44,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:44,195 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 2, 5, 1] term [2020-12-01 17:53:44,195 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:45,174 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-01 17:53:45,191 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 2, 3, 1] term [2020-12-01 17:53:45,191 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-01 17:53:45,192 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-01 17:53:45,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:53:45,196 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-01 17:53:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:53:45,717 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2020-12-01 17:53:47,605 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 19 [2020-12-01 17:53:49,323 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 19 [2020-12-01 17:53:51,234 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-12-01 17:53:52,030 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2020-12-01 17:53:52,670 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-12-01 17:53:53,505 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:53:53,949 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 17:53:55,441 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 17:53:56,127 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-12-01 17:53:56,567 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-12-01 17:53:58,175 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2020-12-01 17:53:58,814 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-01 17:53:59,929 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-01 17:54:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 107 states and 296 transitions. [2020-12-01 17:54:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 296 transitions. [2020-12-01 17:54:00,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:54:00,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:00,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-01 17:54:00,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:54:00,201 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:54:00,202 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:00,232 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:54:00,232 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:00,233 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:54:00,234 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:01,559 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 5, 1] term [2020-12-01 17:54:01,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:01,560 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-12-01 17:54:01,561 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:01,562 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 4, 1] term [2020-12-01 17:54:01,562 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:01,563 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:54:01,563 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:02,392 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 2, 3, 1] term [2020-12-01 17:54:02,392 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-01 17:54:02,393 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-01 17:54:02,393 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:02,395 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-01 17:54:02,414 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:54:03,086 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 41 [2020-12-01 17:54:03,887 WARN L197 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2020-12-01 17:54:05,701 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-01 17:54:06,415 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-12-01 17:54:06,905 WARN L197 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-01 17:54:07,905 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 17:54:08,921 WARN L197 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-01 17:54:09,536 WARN L197 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2020-12-01 17:54:10,036 WARN L197 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-12-01 17:54:10,943 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 17:54:12,079 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-12-01 17:54:12,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:12,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 110 states and 301 transitions. [2020-12-01 17:54:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 301 transitions. [2020-12-01 17:54:12,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:54:12,191 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:12,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 17:54:12,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:54:13,191 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:14,523 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:54:15,405 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:54:27,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:27,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 118 states and 338 transitions. [2020-12-01 17:54:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 338 transitions. [2020-12-01 17:54:27,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:54:27,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:27,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-01 17:54:27,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:54:27,304 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:54:27,305 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:28,102 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:54:28,102 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:29,087 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 5, 1] term [2020-12-01 17:54:29,087 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:30,239 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 2, 3, 1] term [2020-12-01 17:54:30,239 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-01 17:54:30,241 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-01 17:54:30,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:30,244 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-01 17:54:30,269 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:54:31,219 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-12-01 17:54:31,838 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-01 17:54:33,017 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:54:34,331 WARN L197 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-01 17:54:35,309 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 46 [2020-12-01 17:54:36,098 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-01 17:54:37,369 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:54:38,713 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-01 17:54:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 120 states and 340 transitions. [2020-12-01 17:54:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 340 transitions. [2020-12-01 17:54:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:54:38,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:38,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 17:54:38,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:54:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:54:39,424 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 17:54:39,957 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 17:54:41,077 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:54:42,225 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:54:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:54:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 120 states and 339 transitions. [2020-12-01 17:54:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 339 transitions. [2020-12-01 17:54:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:54:42,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:54:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:54:42,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjunts are in the unsatisfiable core [2020-12-01 17:54:42,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:54:42,390 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:54:42,390 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:43,002 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:54:43,002 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:43,003 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:54:43,003 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:44,771 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 5, 1] term [2020-12-01 17:54:44,771 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:46,485 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 46 [2020-12-01 17:54:46,507 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 3, 6, 1] term [2020-12-01 17:54:46,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:46,509 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-12-01 17:54:46,509 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-01 17:54:46,512 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 1] term [2020-12-01 17:54:46,512 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:46,514 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 2, 1] term [2020-12-01 17:54:46,514 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:54:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-12-01 17:54:47,511 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 40 [2020-12-01 17:54:48,511 WARN L197 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-12-01 17:54:50,772 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-01 17:54:51,549 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2020-12-01 17:54:53,021 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:54:53,698 WARN L197 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-01 17:54:54,858 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 17:54:56,317 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-01 17:54:57,357 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2020-12-01 17:54:58,112 WARN L197 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-01 17:54:59,446 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 17:55:00,881 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-12-01 17:55:02,220 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 15 [2020-12-01 17:55:03,572 WARN L197 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 83 [2020-12-01 17:55:06,316 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-12-01 17:55:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:06,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 124 states and 358 transitions. [2020-12-01 17:55:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 358 transitions. [2020-12-01 17:55:06,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:55:06,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:06,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 31 conjunts are in the unsatisfiable core [2020-12-01 17:55:06,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:55:06,644 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-01 17:55:06,644 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:55:07,448 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 2, 3, 1] term [2020-12-01 17:55:07,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:55:08,507 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 5, 1] term [2020-12-01 17:55:08,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:55:09,943 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 4, 7, 2, 3, 1] term [2020-12-01 17:55:09,943 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-01 17:55:09,945 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-01 17:55:09,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 17:55:09,947 INFO L639 QuantifierPusher]: Distributing 5 conjuncts over 2 disjuncts [2020-12-01 17:55:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-12-01 17:55:10,736 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-12-01 17:55:11,452 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-12-01 17:55:12,596 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 17:55:13,853 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:55:14,633 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:55:15,186 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 17:55:16,667 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 17:55:17,980 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 17:55:18,953 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:55:19,579 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-01 17:55:21,232 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-01 17:55:22,636 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 17:55:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:22,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 127 states and 362 transitions. [2020-12-01 17:55:22,854 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 362 transitions. [2020-12-01 17:55:22,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:55:22,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:22,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 17:55:22,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:55:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:23,600 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:55:24,163 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:55:25,393 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:55:26,675 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:55:26,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:26,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 127 states and 361 transitions. [2020-12-01 17:55:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 361 transitions. [2020-12-01 17:55:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-01 17:55:26,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:26,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-01 17:55:26,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:55:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:27,543 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:55:28,144 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:55:29,566 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:55:30,884 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:55:30,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:55:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 127 states and 360 transitions. [2020-12-01 17:55:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 360 transitions. [2020-12-01 17:55:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:55:30,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:55:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:55:30,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-01 17:55:30,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 17:55:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:55:46,233 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2020-12-01 17:55:46,621 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2020-12-01 17:55:49,330 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2020-12-01 17:55:52,125 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-01 17:55:52,766 WARN L197 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2020-12-01 17:55:57,804 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:55:58,673 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2020-12-01 17:56:00,493 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:56:02,603 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-01 17:56:04,210 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2020-12-01 17:56:06,090 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-01 17:56:06,977 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 17:56:07,595 WARN L197 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-01 17:56:09,311 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 17:56:11,023 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-01 17:56:11,965 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:56:12,988 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 17:56:14,897 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:56:17,004 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 17:56:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:56:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 139 states and 422 transitions. [2020-12-01 17:56:17,187 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 422 transitions. [2020-12-01 17:56:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:56:17,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:56:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:56:17,241 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:56:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 17:56:17,266 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 17:56:18,848 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2020-12-01 17:56:18,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:56:18 ImpRootNode [2020-12-01 17:56:18,916 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:56:18,916 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:56:18,917 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:56:18,917 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:56:18,917 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:52:30" (3/4) ... [2020-12-01 17:56:18,922 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 17:56:19,004 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d19570e0-501e-4f31-a637-bcd7f41484f2/bin/ukojak/witness.graphml [2020-12-01 17:56:19,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:56:19,006 INFO L168 Benchmark]: Toolchain (without parser) took 228973.53 ms. Allocated memory was 88.1 MB in the beginning and 499.1 MB in the end (delta: 411.0 MB). Free memory was 58.8 MB in the beginning and 386.8 MB in the end (delta: -328.0 MB). Peak memory consumption was 82.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:19,006 INFO L168 Benchmark]: CDTParser took 1.02 ms. Allocated memory is still 88.1 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:56:19,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.11 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 58.5 MB in the beginning and 84.3 MB in the end (delta: -25.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:19,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.44 ms. Allocated memory is still 107.0 MB. Free memory was 84.3 MB in the beginning and 82.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:19,008 INFO L168 Benchmark]: Boogie Preprocessor took 27.44 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:56:19,009 INFO L168 Benchmark]: RCFGBuilder took 454.13 ms. Allocated memory is still 107.0 MB. Free memory was 81.7 MB in the beginning and 64.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:19,009 INFO L168 Benchmark]: CodeCheck took 228062.20 ms. Allocated memory was 107.0 MB in the beginning and 499.1 MB in the end (delta: 392.2 MB). Free memory was 64.9 MB in the beginning and 391.0 MB in the end (delta: -326.1 MB). Peak memory consumption was 68.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:19,010 INFO L168 Benchmark]: Witness Printer took 88.49 ms. Allocated memory is still 499.1 MB. Free memory was 391.0 MB in the beginning and 386.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:56:19,013 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 227.9s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -536870912 SDtfs, 857753236 SDslu, 1444414984 SDs, 0 SdLazy, 2008570918 SolverSat, -636031162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13555 GetRequests, 12451 SyntacticMatches, 560 SemanticMatches, 544 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155097 ImplicationChecksByTransitivity, 213.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 27.0s InterpolantComputationTime, 1133 NumberOfCodeBlocks, 1133 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1048 ConstructedInterpolants, 0 QuantifiedInterpolants, 484633 SizeOfPredicates, 98 NumberOfNonLiveVariables, 3408 ConjunctsInSsa, 571 ConjunctsInUnsatCore, 31 InterpolantComputations, 2 PerfectInterpolantSequences, 478/1183 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 9]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L22] int counter = 0; [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L29] CALL assume_abort_if_not(x1 >= 0) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) [L29] RET assume_abort_if_not(x1 >= 0) VAL [counter=0] [L30] CALL assume_abort_if_not(x2 != 0) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) [L30] RET assume_abort_if_not(x2 != 0) VAL [counter=0] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [counter=0] [L36] EXPR counter++ VAL [counter=1] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=1] [L16] COND FALSE !(!(cond)) VAL [counter=1] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=1] [L39] COND FALSE !(!(y3 != 0)) [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=1] [L36] EXPR counter++ VAL [counter=2] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=2] [L16] COND FALSE !(!(cond)) VAL [counter=2] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=2] [L39] COND FALSE !(!(y3 != 0)) [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=2] [L36] EXPR counter++ VAL [counter=3] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=3] [L16] COND FALSE !(!(cond)) VAL [counter=3] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=3] [L39] COND FALSE !(!(y3 != 0)) [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=3] [L36] EXPR counter++ VAL [counter=4] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=4] [L16] COND FALSE !(!(cond)) VAL [counter=4] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=4] [L39] COND FALSE !(!(y3 != 0)) [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=4] [L36] EXPR counter++ VAL [counter=5] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=5] [L16] COND FALSE !(!(cond)) VAL [counter=5] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=5] [L39] COND FALSE !(!(y3 != 0)) [L41] COND TRUE y2 + 1 == x2 [L42] y1 = y1 + 1 [L43] y2 = 0 [L44] y3 = y3 - 1 VAL [counter=5] [L36] EXPR counter++ VAL [counter=6] [L36] COND FALSE !(counter++<5) [L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1) VAL [counter=6] [L16] COND TRUE !(cond) VAL [counter=6] [L9] __assert_fail("0", "mannadiv.c", 9, "reach_error") VAL [counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 ms. Allocated memory is still 88.1 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 70.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 292.11 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 58.5 MB in the beginning and 84.3 MB in the end (delta: -25.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.44 ms. Allocated memory is still 107.0 MB. Free memory was 84.3 MB in the beginning and 82.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.44 ms. Allocated memory is still 107.0 MB. Free memory was 82.9 MB in the beginning and 81.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 454.13 ms. Allocated memory is still 107.0 MB. Free memory was 81.7 MB in the beginning and 64.9 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 228062.20 ms. Allocated memory was 107.0 MB in the beginning and 499.1 MB in the end (delta: 392.2 MB). Free memory was 64.9 MB in the beginning and 391.0 MB in the end (delta: -326.1 MB). Peak memory consumption was 68.9 MB. Max. memory is 16.1 GB. * Witness Printer took 88.49 ms. Allocated memory is still 499.1 MB. Free memory was 391.0 MB in the beginning and 386.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...