./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 109f1b0f7b496206cc9c53b0a3b6a7c393044a874053b245259453c5fb39b930 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:29:28,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:29:28,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:29:28,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:29:28,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:29:28,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:29:28,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:29:28,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:29:28,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:29:28,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:29:28,761 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:29:28,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:29:28,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:29:28,763 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:29:28,765 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:29:28,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:29:28,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:29:28,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:29:28,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:29:28,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:29:28,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:29:28,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:29:28,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:29:28,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:29:28,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:29:28,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:29:28,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:29:28,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:29:28,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:29:28,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:29:28,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:29:28,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:29:28,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:29:28,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:29:28,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:29:28,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:29:28,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:29:28,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:29:28,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:29:28,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:29:28,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:29:28,798 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:29:28,833 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:29:28,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:29:28,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:29:28,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:29:28,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:29:28,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:29:28,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:29:28,839 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:29:28,840 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:29:28,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:29:28,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:29:28,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:29:28,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:29:28,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:29:28,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:29:28,842 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:29:28,843 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:29:28,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:29:28,843 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:29:28,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:29:28,844 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:29:28,844 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:29:28,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:29:28,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:29:28,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:29:28,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:29:28,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:29:28,846 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:29:28,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:29:28,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:29:28,847 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_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 109f1b0f7b496206cc9c53b0a3b6a7c393044a874053b245259453c5fb39b930 [2022-11-20 17:29:29,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:29:29,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:29:29,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:29:29,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:29:29,216 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:29:29,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2022-11-20 17:29:32,134 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:29:32,307 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:29:32,307 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2022-11-20 17:29:32,313 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/data/ffe794d67/4090759488d54fd9ba49fc6c0139a39f/FLAGa7f1253a0 [2022-11-20 17:29:32,328 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/data/ffe794d67/4090759488d54fd9ba49fc6c0139a39f [2022-11-20 17:29:32,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:29:32,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:29:32,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:29:32,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:29:32,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:29:32,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e77e8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32, skipping insertion in model container [2022-11-20 17:29:32,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:29:32,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:29:32,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c[454,467] [2022-11-20 17:29:32,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:29:32,529 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:29:32,546 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c[454,467] [2022-11-20 17:29:32,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:29:32,560 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:29:32,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32 WrapperNode [2022-11-20 17:29:32,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:29:32,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:29:32,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:29:32,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:29:32,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,596 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-20 17:29:32,597 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:29:32,598 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:29:32,598 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:29:32,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:29:32,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,621 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,622 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:29:32,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:29:32,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:29:32,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:29:32,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:29:32,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:29:32,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:29:32,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:29:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:29:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:29:32,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:29:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:29:32,714 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-20 17:29:32,715 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-20 17:29:32,785 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:29:32,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:29:32,931 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:29:32,952 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:29:32,952 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:29:32,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:32 BoogieIcfgContainer [2022-11-20 17:29:32,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:29:32,956 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:29:32,956 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:29:32,966 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:29:32,967 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:32" (1/1) ... [2022-11-20 17:29:32,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:29:33,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:33,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-11-20 17:29:33,035 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-20 17:29:33,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:29:33,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:33,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:33,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:33,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-20 17:29:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 17:29:33,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:29:33,334 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:33,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:33,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:33,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:33,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 24 transitions. [2022-11-20 17:29:33,413 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2022-11-20 17:29:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:29:33,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:33,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:33,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:33,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 30 transitions. [2022-11-20 17:29:33,761 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2022-11-20 17:29:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:29:33,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:33,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 34 transitions. [2022-11-20 17:29:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2022-11-20 17:29:34,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:29:34,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:34,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:34,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:34,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 28 transitions. [2022-11-20 17:29:34,395 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-20 17:29:34,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:29:34,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:34,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:34,548 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 34 transitions. [2022-11-20 17:29:34,736 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-20 17:29:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:29:34,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:34,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:34,908 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:35,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:35,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 40 transitions. [2022-11-20 17:29:35,092 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-20 17:29:35,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:29:35,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:35,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:35,313 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:35,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 46 transitions. [2022-11-20 17:29:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 17:29:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:29:35,530 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:35,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:35,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:35,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 52 transitions. [2022-11-20 17:29:35,961 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-20 17:29:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:29:35,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:35,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:36,204 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:36,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:36,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 58 transitions. [2022-11-20 17:29:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-11-20 17:29:36,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:29:36,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:36,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:36,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 56 states and 64 transitions. [2022-11-20 17:29:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2022-11-20 17:29:36,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:29:36,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:36,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:37,136 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:37,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 61 states and 70 transitions. [2022-11-20 17:29:37,396 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-11-20 17:29:37,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 17:29:37,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:37,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:37,647 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:37,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:37,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 66 states and 76 transitions. [2022-11-20 17:29:37,957 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-11-20 17:29:37,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 17:29:37,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:37,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:38,239 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:38,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:38,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 82 transitions. [2022-11-20 17:29:38,554 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 82 transitions. [2022-11-20 17:29:38,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-20 17:29:38,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:38,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:39,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 76 states and 88 transitions. [2022-11-20 17:29:39,225 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2022-11-20 17:29:39,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 17:29:39,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:39,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:39,547 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:39,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 81 states and 94 transitions. [2022-11-20 17:29:39,905 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2022-11-20 17:29:39,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 17:29:39,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:39,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:40,221 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:40,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:40,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 86 states and 100 transitions. [2022-11-20 17:29:40,577 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2022-11-20 17:29:40,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-20 17:29:40,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:40,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:40,964 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:41,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 106 transitions. [2022-11-20 17:29:41,350 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 106 transitions. [2022-11-20 17:29:41,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-20 17:29:41,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:41,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:41,773 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:29:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 102 transitions. [2022-11-20 17:29:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 102 transitions. [2022-11-20 17:29:42,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 17:29:42,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:42,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:42,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:42,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 92 states and 121 transitions. [2022-11-20 17:29:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 121 transitions. [2022-11-20 17:29:42,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 17:29:42,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:42,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:42,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:42,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 93 states and 121 transitions. [2022-11-20 17:29:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2022-11-20 17:29:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 17:29:42,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:42,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 97 states and 139 transitions. [2022-11-20 17:29:43,394 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2022-11-20 17:29:43,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 17:29:43,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:43,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2022-11-20 17:29:43,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:43,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 96 states and 138 transitions. [2022-11-20 17:29:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2022-11-20 17:29:43,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:29:43,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:43,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:44,166 INFO L134 CoverageAnalysis]: Checked inductivity of 568 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 155 transitions. [2022-11-20 17:29:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2022-11-20 17:29:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-20 17:29:44,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:44,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:44,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:44,966 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:45,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:45,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 106 states and 171 transitions. [2022-11-20 17:29:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 171 transitions. [2022-11-20 17:29:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 17:29:45,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:45,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 111 states and 186 transitions. [2022-11-20 17:29:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 186 transitions. [2022-11-20 17:29:46,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 17:29:46,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:46,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:47,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 116 states and 200 transitions. [2022-11-20 17:29:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2022-11-20 17:29:47,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 17:29:47,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:47,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:47,714 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:48,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 121 states and 213 transitions. [2022-11-20 17:29:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 213 transitions. [2022-11-20 17:29:48,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-20 17:29:48,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:48,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 126 states and 225 transitions. [2022-11-20 17:29:49,266 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2022-11-20 17:29:49,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-20 17:29:49,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:49,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 727 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:50,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 131 states and 236 transitions. [2022-11-20 17:29:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 236 transitions. [2022-11-20 17:29:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 17:29:50,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:50,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:51,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 136 states and 246 transitions. [2022-11-20 17:29:51,411 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 246 transitions. [2022-11-20 17:29:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-20 17:29:51,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:51,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:52,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 141 states and 255 transitions. [2022-11-20 17:29:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 255 transitions. [2022-11-20 17:29:52,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-20 17:29:52,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:52,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:53,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 146 states and 263 transitions. [2022-11-20 17:29:53,768 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 263 transitions. [2022-11-20 17:29:53,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-20 17:29:53,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:53,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:54,252 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:54,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:54,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 151 states and 270 transitions. [2022-11-20 17:29:54,934 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 270 transitions. [2022-11-20 17:29:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-20 17:29:54,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:54,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 997 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 156 states and 276 transitions. [2022-11-20 17:29:56,151 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 276 transitions. [2022-11-20 17:29:56,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-11-20 17:29:56,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:56,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-20 17:29:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 158 states and 278 transitions. [2022-11-20 17:29:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 278 transitions. [2022-11-20 17:29:57,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:29:57,463 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2022-11-20 17:29:57,472 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:29:58,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:29:58 ImpRootNode [2022-11-20 17:29:58,140 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:29:58,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:29:58,141 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:29:58,141 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:29:58,142 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:32" (3/4) ... [2022-11-20 17:29:58,145 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:29:58,151 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-20 17:29:58,158 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 17:29:58,159 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:29:58,159 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:29:58,159 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:29:58,213 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:29:58,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:29:58,214 INFO L158 Benchmark]: Toolchain (without parser) took 25882.29ms. Allocated memory was 186.6MB in the beginning and 469.8MB in the end (delta: 283.1MB). Free memory was 141.5MB in the beginning and 391.0MB in the end (delta: -249.5MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2022-11-20 17:29:58,217 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:29:58,218 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.36ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 131.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:29:58,219 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.42ms. Allocated memory is still 186.6MB. Free memory was 131.8MB in the beginning and 130.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:29:58,220 INFO L158 Benchmark]: Boogie Preprocessor took 26.77ms. Allocated memory is still 186.6MB. Free memory was 130.3MB in the beginning and 128.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:29:58,220 INFO L158 Benchmark]: RCFGBuilder took 328.48ms. Allocated memory is still 186.6MB. Free memory was 128.9MB in the beginning and 118.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 17:29:58,221 INFO L158 Benchmark]: CodeCheck took 25185.05ms. Allocated memory was 186.6MB in the beginning and 469.8MB in the end (delta: 283.1MB). Free memory was 118.4MB in the beginning and 394.0MB in the end (delta: -275.6MB). Peak memory consumption was 196.6MB. Max. memory is 16.1GB. [2022-11-20 17:29:58,221 INFO L158 Benchmark]: Witness Printer took 72.71ms. Allocated memory is still 469.8MB. Free memory was 393.1MB in the beginning and 391.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:29:58,224 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.5s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3675 SdHoareTripleChecker+Valid, 29.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3391 mSDsluCounter, 2524 SdHoareTripleChecker+Invalid, 24.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 458 mSDsCounter, 7494 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20309 IncrementalHoareTripleChecker+Invalid, 27803 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7494 mSolverCounterUnsat, 2066 mSDtfsCounter, 20309 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29551 GetRequests, 29286 SyntacticMatches, 7 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27435 ImplicationChecksByTransitivity, 14.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.4s InterpolantComputationTime, 2669 NumberOfCodeBlocks, 2669 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 2633 ConstructedInterpolants, 0 QuantifiedInterpolants, 5238 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 5 PerfectInterpolantSequences, 9443/15429 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: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 136.3MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.36ms. Allocated memory is still 186.6MB. Free memory was 140.8MB in the beginning and 131.8MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.42ms. Allocated memory is still 186.6MB. Free memory was 131.8MB in the beginning and 130.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.77ms. Allocated memory is still 186.6MB. Free memory was 130.3MB in the beginning and 128.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.48ms. Allocated memory is still 186.6MB. Free memory was 128.9MB in the beginning and 118.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 25185.05ms. Allocated memory was 186.6MB in the beginning and 469.8MB in the end (delta: 283.1MB). Free memory was 118.4MB in the beginning and 394.0MB in the end (delta: -275.6MB). Peak memory consumption was 196.6MB. Max. memory is 16.1GB. * Witness Printer took 72.71ms. Allocated memory is still 469.8MB. Free memory was 393.1MB in the beginning and 391.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:29:58,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af87b815-9ea7-41e3-be6f-d072c6e4e2a0/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE