./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested6.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/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 b3a725921be8310e882457f7f33c9ff7dbee0bc2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 16:28:04,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:28:04,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:28:04,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:28:04,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:28:04,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:28:04,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:28:04,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:28:04,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:28:04,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:28:04,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:28:04,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:28:04,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:28:04,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:28:04,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:28:04,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:28:04,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:28:04,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:28:04,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:28:04,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:28:04,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:28:04,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:28:04,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:28:04,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:28:04,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:28:04,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:28:04,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:28:04,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:28:04,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:28:04,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:28:04,732 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:28:04,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:28:04,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:28:04,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:28:04,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:28:04,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:28:04,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:28:04,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:28:04,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:28:04,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:28:04,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:28:04,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:28:04,795 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:28:04,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:28:04,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:28:04,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:28:04,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:28:04,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:28:04,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:28:04,803 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:28:04,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:28:04,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:28:04,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:28:04,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:28:04,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:28:04,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:28:04,805 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:28:04,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:28:04,806 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:28:04,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:28:04,807 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:28:04,807 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:28:04,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:28:04,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:28:04,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:28:04,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:28:04,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:28:04,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:28:04,809 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:28:04,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:28:04,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:28:04,811 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_d714436f-d0af-4472-8208-c58b1149c564/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a725921be8310e882457f7f33c9ff7dbee0bc2 [2020-12-01 16:28:05,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:28:05,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:28:05,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:28:05,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:28:05,192 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:28:05,193 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/../../sv-benchmarks/c/loop-invgen/nested6.i [2020-12-01 16:28:05,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/data/9443db5c0/3b77b938ea944ffcb19b7c9a9157b61c/FLAG317f07e98 [2020-12-01 16:28:05,795 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:28:05,795 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/sv-benchmarks/c/loop-invgen/nested6.i [2020-12-01 16:28:05,802 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/data/9443db5c0/3b77b938ea944ffcb19b7c9a9157b61c/FLAG317f07e98 [2020-12-01 16:28:06,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/data/9443db5c0/3b77b938ea944ffcb19b7c9a9157b61c [2020-12-01 16:28:06,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:28:06,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:28:06,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:28:06,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:28:06,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:28:06,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2facc889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06, skipping insertion in model container [2020-12-01 16:28:06,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:28:06,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:28:06,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:28:06,437 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:28:06,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:28:06,474 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:28:06,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06 WrapperNode [2020-12-01 16:28:06,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:28:06,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:28:06,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:28:06,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:28:06,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:28:06,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:28:06,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:28:06,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:28:06,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... [2020-12-01 16:28:06,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:28:06,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:28:06,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:28:06,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:28:06,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:28:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:28:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:28:06,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:28:06,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:28:06,671 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-12-01 16:28:06,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-12-01 16:28:07,131 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:28:07,131 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:28:07,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:28:07 BoogieIcfgContainer [2020-12-01 16:28:07,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:28:07,135 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:28:07,135 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:28:07,147 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:28:07,147 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:28:07" (1/1) ... [2020-12-01 16:28:07,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:28:07,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:07,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2020-12-01 16:28:07,201 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2020-12-01 16:28:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 16:28:07,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:07,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:07,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 40 transitions. [2020-12-01 16:28:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2020-12-01 16:28:07,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 16:28:07,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:07,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:07,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:07,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 49 transitions. [2020-12-01 16:28:07,952 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2020-12-01 16:28:07,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:28:07,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:08,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:08,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:08,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 60 transitions. [2020-12-01 16:28:08,352 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2020-12-01 16:28:08,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 16:28:08,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:08,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 61 transitions. [2020-12-01 16:28:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2020-12-01 16:28:08,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:28:08,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:08,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:09,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:09,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 73 transitions. [2020-12-01 16:28:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2020-12-01 16:28:09,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:28:09,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:09,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 42 states and 72 transitions. [2020-12-01 16:28:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2020-12-01 16:28:09,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 16:28:09,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:28:09,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:09,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 61 transitions. [2020-12-01 16:28:09,961 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2020-12-01 16:28:09,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:28:09,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:10,260 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:28:11,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:11,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 76 transitions. [2020-12-01 16:28:11,547 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2020-12-01 16:28:11,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 16:28:11,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:28:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 46 states and 85 transitions. [2020-12-01 16:28:12,025 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2020-12-01 16:28:12,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 16:28:12,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:28:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:12,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 50 states and 94 transitions. [2020-12-01 16:28:12,951 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2020-12-01 16:28:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:28:12,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:28:13,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:13,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 95 transitions. [2020-12-01 16:28:13,319 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 95 transitions. [2020-12-01 16:28:13,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 16:28:13,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:13,475 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:28:14,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 55 states and 105 transitions. [2020-12-01 16:28:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2020-12-01 16:28:14,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:28:14,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:14,562 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-12-01 16:28:14,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 56 states and 105 transitions. [2020-12-01 16:28:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2020-12-01 16:28:14,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 16:28:14,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-01 16:28:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:15,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 113 transitions. [2020-12-01 16:28:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2020-12-01 16:28:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 16:28:15,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:15,911 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 16:28:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:16,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 111 transitions. [2020-12-01 16:28:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 111 transitions. [2020-12-01 16:28:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:28:16,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 16:28:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 59 states and 108 transitions. [2020-12-01 16:28:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2020-12-01 16:28:16,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 16:28:16,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:17,049 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 16:28:18,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:18,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 61 states and 113 transitions. [2020-12-01 16:28:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions. [2020-12-01 16:28:18,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 16:28:18,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-12-01 16:28:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:18,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 62 states and 114 transitions. [2020-12-01 16:28:18,456 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 114 transitions. [2020-12-01 16:28:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 16:28:18,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:18,607 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-12-01 16:28:18,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:18,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 61 states and 112 transitions. [2020-12-01 16:28:18,670 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 112 transitions. [2020-12-01 16:28:18,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:28:18,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-12-01 16:28:20,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:20,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 122 transitions. [2020-12-01 16:28:20,365 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 122 transitions. [2020-12-01 16:28:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:28:20,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:20,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:28:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:23,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 75 states and 138 transitions. [2020-12-01 16:28:23,278 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2020-12-01 16:28:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 16:28:23,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 26 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-12-01 16:28:23,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 76 states and 139 transitions. [2020-12-01 16:28:23,786 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 139 transitions. [2020-12-01 16:28:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 16:28:23,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:28:24,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:24,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 78 states and 144 transitions. [2020-12-01 16:28:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2020-12-01 16:28:24,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 16:28:24,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-12-01 16:28:25,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:25,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 80 states and 147 transitions. [2020-12-01 16:28:25,801 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 147 transitions. [2020-12-01 16:28:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:28:25,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-01 16:28:30,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 89 states and 170 transitions. [2020-12-01 16:28:30,024 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 170 transitions. [2020-12-01 16:28:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:28:30,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-01 16:28:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 97 states and 186 transitions. [2020-12-01 16:28:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 186 transitions. [2020-12-01 16:28:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-01 16:28:33,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 35 proven. 17 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-12-01 16:28:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 98 states and 187 transitions. [2020-12-01 16:28:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 187 transitions. [2020-12-01 16:28:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-01 16:28:33,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-12-01 16:28:35,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:35,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 100 states and 194 transitions. [2020-12-01 16:28:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 194 transitions. [2020-12-01 16:28:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-01 16:28:35,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:35,364 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 47 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-12-01 16:28:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 104 states and 201 transitions. [2020-12-01 16:28:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 201 transitions. [2020-12-01 16:28:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:28:36,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-12-01 16:28:38,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 110 states and 210 transitions. [2020-12-01 16:28:38,976 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 210 transitions. [2020-12-01 16:28:38,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:28:38,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:39,223 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-12-01 16:28:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 112 states and 213 transitions. [2020-12-01 16:28:40,484 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 213 transitions. [2020-12-01 16:28:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-01 16:28:40,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 51 proven. 4 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-12-01 16:28:41,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 112 states and 212 transitions. [2020-12-01 16:28:41,351 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 212 transitions. [2020-12-01 16:28:41,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-01 16:28:41,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 76 proven. 22 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2020-12-01 16:28:46,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:46,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 122 states and 232 transitions. [2020-12-01 16:28:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 232 transitions. [2020-12-01 16:28:46,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-01 16:28:46,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 22 proven. 47 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-12-01 16:28:51,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:51,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 128 states and 246 transitions. [2020-12-01 16:28:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 246 transitions. [2020-12-01 16:28:51,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-01 16:28:51,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2020-12-01 16:28:52,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:28:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 129 states and 246 transitions. [2020-12-01 16:28:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 246 transitions. [2020-12-01 16:28:52,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:28:52,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:28:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:28:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-12-01 16:29:02,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:02,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 145 states and 275 transitions. [2020-12-01 16:29:02,116 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 275 transitions. [2020-12-01 16:29:02,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-01 16:29:02,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 92 proven. 22 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2020-12-01 16:29:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 151 states and 287 transitions. [2020-12-01 16:29:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 287 transitions. [2020-12-01 16:29:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:29:05,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:05,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-12-01 16:29:09,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:09,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 158 states and 299 transitions. [2020-12-01 16:29:09,858 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 299 transitions. [2020-12-01 16:29:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-01 16:29:09,860 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 53 proven. 32 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-12-01 16:29:11,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:11,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 159 states and 300 transitions. [2020-12-01 16:29:11,587 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 300 transitions. [2020-12-01 16:29:11,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-01 16:29:11,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2020-12-01 16:29:12,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:12,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 161 states and 303 transitions. [2020-12-01 16:29:12,799 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 303 transitions. [2020-12-01 16:29:12,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-01 16:29:12,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:12,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 48 proven. 25 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-12-01 16:29:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:15,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 163 states and 311 transitions. [2020-12-01 16:29:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 311 transitions. [2020-12-01 16:29:15,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-01 16:29:15,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:16,050 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 65 proven. 59 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2020-12-01 16:29:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 169 states and 319 transitions. [2020-12-01 16:29:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 319 transitions. [2020-12-01 16:29:18,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-01 16:29:18,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:19,303 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 107 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2020-12-01 16:29:19,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:19,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 170 states and 320 transitions. [2020-12-01 16:29:19,895 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 320 transitions. [2020-12-01 16:29:19,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-01 16:29:19,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:20,230 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2020-12-01 16:29:20,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:20,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 166 states and 311 transitions. [2020-12-01 16:29:20,908 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 311 transitions. [2020-12-01 16:29:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:29:20,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:21,471 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-12-01 16:29:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 169 states and 318 transitions. [2020-12-01 16:29:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 318 transitions. [2020-12-01 16:29:23,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 16:29:23,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2020-12-01 16:29:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 172 states and 324 transitions. [2020-12-01 16:29:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 324 transitions. [2020-12-01 16:29:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-01 16:29:28,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2020-12-01 16:29:30,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:30,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 173 states and 324 transitions. [2020-12-01 16:29:30,273 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 324 transitions. [2020-12-01 16:29:30,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-01 16:29:30,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 39 proven. 68 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2020-12-01 16:29:32,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:32,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 174 states and 324 transitions. [2020-12-01 16:29:32,618 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 324 transitions. [2020-12-01 16:29:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 16:29:32,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:34,797 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-12-01 16:29:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:53,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 195 states and 370 transitions. [2020-12-01 16:29:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 370 transitions. [2020-12-01 16:29:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 16:29:53,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:29:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-12-01 16:29:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:29:59,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 204 states and 383 transitions. [2020-12-01 16:29:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 383 transitions. [2020-12-01 16:29:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-01 16:29:59,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:29:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:00,774 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 74 proven. 52 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-12-01 16:30:01,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:01,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 205 states and 383 transitions. [2020-12-01 16:30:01,103 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 383 transitions. [2020-12-01 16:30:01,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-01 16:30:01,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 69 proven. 43 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-12-01 16:30:04,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 207 states and 393 transitions. [2020-12-01 16:30:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 393 transitions. [2020-12-01 16:30:04,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 16:30:04,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-12-01 16:30:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:10,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 214 states and 405 transitions. [2020-12-01 16:30:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 405 transitions. [2020-12-01 16:30:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-01 16:30:10,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:11,142 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 86 proven. 84 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2020-12-01 16:30:13,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:13,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 218 states and 411 transitions. [2020-12-01 16:30:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 411 transitions. [2020-12-01 16:30:13,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:30:13,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:15,522 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-12-01 16:30:21,323 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2020-12-01 16:30:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 229 states and 440 transitions. [2020-12-01 16:30:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 440 transitions. [2020-12-01 16:30:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-01 16:30:27,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:27,493 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2020-12-01 16:30:30,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 232 states and 444 transitions. [2020-12-01 16:30:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 444 transitions. [2020-12-01 16:30:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 16:30:30,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-12-01 16:30:35,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 235 states and 450 transitions. [2020-12-01 16:30:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 450 transitions. [2020-12-01 16:30:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 16:30:35,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:36,651 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2020-12-01 16:30:40,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 239 states and 457 transitions. [2020-12-01 16:30:40,206 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 457 transitions. [2020-12-01 16:30:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-01 16:30:40,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 93 proven. 100 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2020-12-01 16:30:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 240 states and 458 transitions. [2020-12-01 16:30:43,723 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 458 transitions. [2020-12-01 16:30:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-01 16:30:43,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 184 proven. 46 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2020-12-01 16:30:47,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:47,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 244 states and 463 transitions. [2020-12-01 16:30:47,799 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 463 transitions. [2020-12-01 16:30:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-01 16:30:47,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:50,519 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-12-01 16:30:56,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:30:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 247 states and 469 transitions. [2020-12-01 16:30:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 469 transitions. [2020-12-01 16:30:56,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-01 16:30:56,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:30:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:30:59,160 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 61 proven. 92 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-12-01 16:31:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:01,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 248 states and 469 transitions. [2020-12-01 16:31:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 469 transitions. [2020-12-01 16:31:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-01 16:31:01,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 546 backedges. 152 proven. 22 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2020-12-01 16:31:03,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:03,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 251 states and 473 transitions. [2020-12-01 16:31:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 473 transitions. [2020-12-01 16:31:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:31:03,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2020-12-01 16:31:33,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:33,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 272 states and 514 transitions. [2020-12-01 16:31:33,451 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 514 transitions. [2020-12-01 16:31:33,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:31:33,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2020-12-01 16:31:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 281 states and 531 transitions. [2020-12-01 16:31:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 531 transitions. [2020-12-01 16:31:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:31:48,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 98 proven. 77 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2020-12-01 16:31:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:50,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 282 states and 531 transitions. [2020-12-01 16:31:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 531 transitions. [2020-12-01 16:31:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-01 16:31:50,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:31:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:31:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 167 proven. 11 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2020-12-01 16:31:53,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:31:53,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 234 states and 397 transitions. [2020-12-01 16:31:53,043 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2020-12-01 16:31:53,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:31:53,044 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 68 iterations. [2020-12-01 16:31:53,053 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:31:53,982 WARN L197 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 24 [2020-12-01 16:31:54,130 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 3 [2020-12-01 16:31:54,413 WARN L197 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 1 [2020-12-01 16:31:54,589 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 1 [2020-12-01 16:31:56,357 WARN L197 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 175 DAG size of output: 26 [2020-12-01 16:31:56,823 WARN L197 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 11 [2020-12-01 16:31:57,437 WARN L197 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 5 [2020-12-01 16:31:57,438 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:57,442 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:57,443 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:57,443 INFO L569 CodeCheckObserver]: Invariant with dag size 26 [2020-12-01 16:31:57,452 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:31:57,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:31:57 ImpRootNode [2020-12-01 16:31:57,453 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:31:57,454 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:31:57,454 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:31:57,455 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:31:57,455 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:28:07" (3/4) ... [2020-12-01 16:31:57,460 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:31:57,477 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-12-01 16:31:57,483 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-01 16:31:57,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:31:57,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:31:57,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:31:57,543 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d714436f-d0af-4472-8208-c58b1149c564/bin/ukojak/witness.graphml [2020-12-01 16:31:57,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:31:57,546 INFO L168 Benchmark]: Toolchain (without parser) took 231369.86 ms. Allocated memory was 96.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 66.2 MB in the beginning and 963.4 MB in the end (delta: -897.2 MB). Peak memory consumption was 159.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:57,547 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory was 53.8 MB in the beginning and 53.8 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:31:57,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.25 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 65.9 MB in the beginning and 102.8 MB in the end (delta: -36.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:57,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.53 ms. Allocated memory is still 125.8 MB. Free memory was 102.8 MB in the beginning and 101.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:57,549 INFO L168 Benchmark]: Boogie Preprocessor took 49.91 ms. Allocated memory is still 125.8 MB. Free memory was 101.2 MB in the beginning and 100.2 MB in the end (delta: 984.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:31:57,550 INFO L168 Benchmark]: RCFGBuilder took 555.69 ms. Allocated memory is still 125.8 MB. Free memory was 100.2 MB in the beginning and 82.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:57,551 INFO L168 Benchmark]: CodeCheck took 230318.50 ms. Allocated memory was 125.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 82.9 MB in the beginning and 966.5 MB in the end (delta: -883.6 MB). Peak memory consumption was 709.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:57,552 INFO L168 Benchmark]: Witness Printer took 90.10 ms. Allocated memory is still 1.2 GB. Free memory was 966.5 MB in the beginning and 963.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:31:57,557 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 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 225.8s, OverallIterations: 68, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -46230932 SDslu, 543613120 SDs, 0 SdLazy, -1502004888 SolverSat, 1142555676 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 111.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38611 GetRequests, 36470 SyntacticMatches, 1349 SemanticMatches, 792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435723 ImplicationChecksByTransitivity, 215.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 44.5s InterpolantComputationTime, 4468 NumberOfCodeBlocks, 4468 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 4401 ConstructedInterpolants, 0 QuantifiedInterpolants, 952463 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 9 PerfectInterpolantSequences, 11988/13925 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((k <= j && j <= k) || n < k) || (i == 0 && n + i < k + 1)) || k < 2 * i) || (!(i == 0) && k <= j)) || j + 1 < k) || (i == 0 && j < k)) || 2 * i < k - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 96.5 MB. Free memory was 53.8 MB in the beginning and 53.8 MB in the end (delta: 39.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 289.25 ms. Allocated memory was 96.5 MB in the beginning and 125.8 MB in the end (delta: 29.4 MB). Free memory was 65.9 MB in the beginning and 102.8 MB in the end (delta: -36.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.53 ms. Allocated memory is still 125.8 MB. Free memory was 102.8 MB in the beginning and 101.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.91 ms. Allocated memory is still 125.8 MB. Free memory was 101.2 MB in the beginning and 100.2 MB in the end (delta: 984.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 555.69 ms. Allocated memory is still 125.8 MB. Free memory was 100.2 MB in the beginning and 82.9 MB in the end (delta: 17.3 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 230318.50 ms. Allocated memory was 125.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 82.9 MB in the beginning and 966.5 MB in the end (delta: -883.6 MB). Peak memory consumption was 709.7 MB. Max. memory is 16.1 GB. * Witness Printer took 90.10 ms. Allocated memory is still 1.2 GB. Free memory was 966.5 MB in the beginning and 963.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...