./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_9.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_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_9.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/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 20a70402cc893fb2c7adec21ca8a267adc3c5cbb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:22:28,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:22:28,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:22:28,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:22:28,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:22:28,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:22:28,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:22:28,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:22:28,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:22:28,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:22:28,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:22:28,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:22:28,929 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:22:28,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:22:28,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:22:28,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:22:28,935 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:22:28,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:22:28,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:22:28,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:22:28,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:22:28,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:22:28,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:22:28,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:22:28,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:22:28,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:22:28,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:22:28,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:22:28,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:22:28,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:22:28,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:22:28,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:22:28,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:22:28,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:22:28,969 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:22:28,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:22:28,970 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:22:28,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:22:28,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:22:28,973 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:22:28,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:22:28,978 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:22:29,022 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:22:29,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:22:29,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:22:29,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:22:29,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:22:29,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:22:29,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:22:29,026 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:22:29,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:22:29,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:22:29,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:22:29,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:22:29,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:22:29,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:22:29,028 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:22:29,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:22:29,028 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:22:29,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:22:29,028 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:22:29,029 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:22:29,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:22:29,029 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:22:29,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:22:29,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:22:29,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:22:29,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:22:29,030 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:22:29,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:22:29,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:22:29,032 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_ba965040-6638-4dae-85be-66235f7905b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20a70402cc893fb2c7adec21ca8a267adc3c5cbb [2020-12-01 18:22:29,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:22:29,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:22:29,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:22:29,385 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:22:29,386 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:22:29,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_9.c [2020-12-01 18:22:29,488 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/data/bdc50917d/f3452487ef984515b55b3e77327202d8/FLAG1934b375b [2020-12-01 18:22:30,073 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:22:30,074 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/sv-benchmarks/c/locks/test_locks_9.c [2020-12-01 18:22:30,081 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/data/bdc50917d/f3452487ef984515b55b3e77327202d8/FLAG1934b375b [2020-12-01 18:22:30,437 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/data/bdc50917d/f3452487ef984515b55b3e77327202d8 [2020-12-01 18:22:30,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:22:30,442 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:22:30,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:22:30,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:22:30,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:22:30,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aacfa26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30, skipping insertion in model container [2020-12-01 18:22:30,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:22:30,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:22:30,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:22:30,724 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:22:30,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:22:30,766 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:22:30,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30 WrapperNode [2020-12-01 18:22:30,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:22:30,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:22:30,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:22:30,769 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:22:30,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,810 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:22:30,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:22:30,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:22:30,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:22:30,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... [2020-12-01 18:22:30,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:22:30,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:22:30,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:22:30,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:22:30,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:22:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/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 18:22:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:22:30,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:22:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:22:30,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:22:31,581 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:22:31,581 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 18:22:31,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:31 BoogieIcfgContainer [2020-12-01 18:22:31,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:22:31,585 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:22:31,585 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:22:31,596 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:22:31,597 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:31" (1/1) ... [2020-12-01 18:22:31,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:22:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2020-12-01 18:22:31,647 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2020-12-01 18:22:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:22:31,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:31,829 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 18:22:31,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:31,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2020-12-01 18:22:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2020-12-01 18:22:31,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 18:22:31,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:31,974 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 18:22:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2020-12-01 18:22:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2020-12-01 18:22:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:22:32,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:32,157 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 18:22:32,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2020-12-01 18:22:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2020-12-01 18:22:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:22:32,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:32,453 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 18:22:32,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:32,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2020-12-01 18:22:32,539 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2020-12-01 18:22:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:22:32,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:32,574 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 18:22:32,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2020-12-01 18:22:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2020-12-01 18:22:32,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:22:32,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:32,752 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 18:22:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2020-12-01 18:22:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2020-12-01 18:22:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:22:33,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,309 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 18:22:33,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2020-12-01 18:22:33,459 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2020-12-01 18:22:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:22:33,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,528 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 18:22:33,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:33,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2020-12-01 18:22:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2020-12-01 18:22:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:22:33,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:33,802 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 18:22:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2020-12-01 18:22:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2020-12-01 18:22:34,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:22:34,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:34,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:34,820 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 18:22:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:34,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2020-12-01 18:22:34,960 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2020-12-01 18:22:34,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:22:34,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:34,996 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 18:22:35,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:35,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2020-12-01 18:22:35,200 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2020-12-01 18:22:35,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:22:35,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:35,221 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 18:22:35,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:35,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2020-12-01 18:22:35,435 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2020-12-01 18:22:35,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:22:35,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:35,570 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 18:22:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 64 transitions. [2020-12-01 18:22:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 64 transitions. [2020-12-01 18:22:36,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:22:36,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:36,816 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 18:22:37,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:37,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2020-12-01 18:22:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2020-12-01 18:22:37,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:22:37,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:37,066 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 18:22:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2020-12-01 18:22:37,291 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2020-12-01 18:22:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:22:37,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:37,335 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 18:22:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2020-12-01 18:22:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2020-12-01 18:22:37,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:37,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:37,593 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 18:22:37,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2020-12-01 18:22:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2020-12-01 18:22:37,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:37,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:37,870 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 18:22:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:38,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2020-12-01 18:22:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2020-12-01 18:22:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:38,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:38,242 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 18:22:40,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:40,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2020-12-01 18:22:40,265 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2020-12-01 18:22:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:40,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:40,282 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 18:22:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 42 states and 69 transitions. [2020-12-01 18:22:40,496 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 69 transitions. [2020-12-01 18:22:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:40,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:40,512 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 18:22:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:40,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 43 states and 69 transitions. [2020-12-01 18:22:40,788 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 69 transitions. [2020-12-01 18:22:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:22:40,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:40,803 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 18:22:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2020-12-01 18:22:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2020-12-01 18:22:41,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:22:41,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:41,246 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 18:22:41,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:41,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2020-12-01 18:22:41,623 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2020-12-01 18:22:41,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:22:41,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:41,648 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 18:22:41,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2020-12-01 18:22:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2020-12-01 18:22:41,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:22:41,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:41,949 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 18:22:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2020-12-01 18:22:42,193 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2020-12-01 18:22:42,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:22:42,193 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:42,377 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 18:22:44,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:44,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2020-12-01 18:22:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2020-12-01 18:22:44,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:22:44,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:44,825 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 18:22:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:45,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2020-12-01 18:22:45,128 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2020-12-01 18:22:45,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:22:45,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:45,148 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 18:22:45,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:45,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 46 states and 74 transitions. [2020-12-01 18:22:45,457 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 74 transitions. [2020-12-01 18:22:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:22:45,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:45,472 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 18:22:45,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:45,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2020-12-01 18:22:45,862 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2020-12-01 18:22:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:45,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:45,877 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 18:22:46,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2020-12-01 18:22:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2020-12-01 18:22:46,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:46,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:46,234 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 18:22:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:46,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2020-12-01 18:22:46,571 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-12-01 18:22:46,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:46,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:46,586 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 18:22:46,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:46,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2020-12-01 18:22:46,885 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2020-12-01 18:22:46,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:46,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:47,103 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 18:22:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2020-12-01 18:22:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2020-12-01 18:22:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:50,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:50,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:50,367 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 18:22:50,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:50,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2020-12-01 18:22:50,727 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2020-12-01 18:22:50,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:50,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:50,755 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 18:22:51,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:51,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 48 states and 79 transitions. [2020-12-01 18:22:51,192 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 79 transitions. [2020-12-01 18:22:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:51,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:51,206 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 18:22:51,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 49 states and 79 transitions. [2020-12-01 18:22:51,588 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 79 transitions. [2020-12-01 18:22:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:22:51,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:51,603 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 18:22:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2020-12-01 18:22:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2020-12-01 18:22:52,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:52,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:52,069 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 18:22:52,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2020-12-01 18:22:52,496 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2020-12-01 18:22:52,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:52,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:52,509 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 18:22:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2020-12-01 18:22:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2020-12-01 18:22:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:52,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:52,903 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 18:22:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 58 transitions. [2020-12-01 18:22:53,337 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 58 transitions. [2020-12-01 18:22:53,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:53,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:53,379 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 18:22:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:53,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2020-12-01 18:22:53,737 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2020-12-01 18:22:53,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:53,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:53,751 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 18:22:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2020-12-01 18:22:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2020-12-01 18:22:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:54,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:54,202 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 18:22:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:54,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2020-12-01 18:22:54,640 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2020-12-01 18:22:54,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:54,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:54,656 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 18:22:55,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:55,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2020-12-01 18:22:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2020-12-01 18:22:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 18:22:55,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:22:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:22:55,115 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 18:22:55,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:22:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2020-12-01 18:22:55,677 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2020-12-01 18:22:55,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:22:55,678 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 46 iterations. [2020-12-01 18:22:55,685 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:22:55,999 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:56,003 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:56,003 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:22:56,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:22:56 ImpRootNode [2020-12-01 18:22:56,003 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:22:56,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:22:56,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:22:56,009 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:22:56,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:22:31" (3/4) ... [2020-12-01 18:22:56,015 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:22:56,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2020-12-01 18:22:56,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 18:22:56,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 18:22:56,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 18:22:56,113 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ba965040-6638-4dae-85be-66235f7905b6/bin/ukojak/witness.graphml [2020-12-01 18:22:56,113 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:22:56,115 INFO L168 Benchmark]: Toolchain (without parser) took 25671.62 ms. Allocated memory was 88.1 MB in the beginning and 474.0 MB in the end (delta: 385.9 MB). Free memory was 50.7 MB in the beginning and 322.6 MB in the end (delta: -272.0 MB). Peak memory consumption was 112.2 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:56,115 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:22:56,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.76 ms. Allocated memory is still 88.1 MB. Free memory was 50.5 MB in the beginning and 64.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:56,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.23 ms. Allocated memory is still 88.1 MB. Free memory was 64.8 MB in the beginning and 63.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:56,117 INFO L168 Benchmark]: Boogie Preprocessor took 26.15 ms. Allocated memory is still 88.1 MB. Free memory was 63.1 MB in the beginning and 61.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:22:56,117 INFO L168 Benchmark]: RCFGBuilder took 745.66 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 61.8 MB in the beginning and 67.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:56,118 INFO L168 Benchmark]: CodeCheck took 24418.60 ms. Allocated memory was 107.0 MB in the beginning and 474.0 MB in the end (delta: 367.0 MB). Free memory was 67.2 MB in the beginning and 325.7 MB in the end (delta: -258.5 MB). Peak memory consumption was 108.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:56,118 INFO L168 Benchmark]: Witness Printer took 104.69 ms. Allocated memory is still 474.0 MB. Free memory was 325.7 MB in the beginning and 322.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:22:56,121 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 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.0s, OverallIterations: 46, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 534773244 SDslu, 0 SDs, 0 SdLazy, 837073912 SolverSat, -549552644 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5397 GetRequests, 5073 SyntacticMatches, 0 SemanticMatches, 324 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48528 ImplicationChecksByTransitivity, 21.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 546 NumberOfCodeBlocks, 546 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 501 ConstructedInterpolants, 0 QuantifiedInterpolants, 29781 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 45 InterpolantComputations, 45 PerfectInterpolantSequences, 0/0 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: 3]: 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: 7]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory is still 66.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.76 ms. Allocated memory is still 88.1 MB. Free memory was 50.5 MB in the beginning and 64.8 MB in the end (delta: -14.3 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.23 ms. Allocated memory is still 88.1 MB. Free memory was 64.8 MB in the beginning and 63.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.15 ms. Allocated memory is still 88.1 MB. Free memory was 63.1 MB in the beginning and 61.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 745.66 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 61.8 MB in the beginning and 67.2 MB in the end (delta: -5.4 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * CodeCheck took 24418.60 ms. Allocated memory was 107.0 MB in the beginning and 474.0 MB in the end (delta: 367.0 MB). Free memory was 67.2 MB in the beginning and 325.7 MB in the end (delta: -258.5 MB). Peak memory consumption was 108.4 MB. Max. memory is 16.1 GB. * Witness Printer took 104.69 ms. Allocated memory is still 474.0 MB. Free memory was 325.7 MB in the beginning and 322.6 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...