./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.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_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/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_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/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_bd49536f-3736-46eb-8da9-5261b23e524a/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 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 --- 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 17:43:32,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:43:32,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:43:32,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:43:32,627 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:43:32,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:43:32,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:43:32,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:43:32,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:43:32,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:43:32,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:43:32,653 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:43:32,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:43:32,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:43:32,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:43:32,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:43:32,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:43:32,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:43:32,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:43:32,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:43:32,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:43:32,675 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:43:32,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:43:32,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:43:32,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:43:32,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:43:32,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:43:32,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:43:32,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:43:32,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:43:32,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:43:32,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:43:32,707 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:43:32,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:43:32,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:43:32,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:43:32,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:43:32,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:43:32,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:43:32,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:43:32,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:43:32,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:43:32,765 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:43:32,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:43:32,769 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:43:32,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:43:32,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:43:32,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:43:32,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:43:32,772 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:43:32,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:43:32,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:43:32,774 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:43:32,775 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:43:32,775 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:43:32,775 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:43:32,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:43:32,776 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:43:32,776 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:43:32,776 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:43:32,776 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:43:32,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:43:32,777 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:43:32,777 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:43:32,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:43:32,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:32,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:43:32,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:43:32,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:43:32,779 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:43:32,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:43:32,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:43:32,781 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_bd49536f-3736-46eb-8da9-5261b23e524a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 [2022-11-20 17:43:33,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:43:33,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:43:33,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:43:33,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:43:33,228 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:43:33,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2022-11-20 17:43:36,921 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:43:37,205 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:43:37,206 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2022-11-20 17:43:37,214 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/data/251f6a5b0/1a86834a0cbf416fbec2ac4b55a8d1bb/FLAG345673702 [2022-11-20 17:43:37,234 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/data/251f6a5b0/1a86834a0cbf416fbec2ac4b55a8d1bb [2022-11-20 17:43:37,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:43:37,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:43:37,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:37,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:43:37,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:43:37,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f394c81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37, skipping insertion in model container [2022-11-20 17:43:37,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:43:37,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:43:37,449 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_bd49536f-3736-46eb-8da9-5261b23e524a/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c[454,467] [2022-11-20 17:43:37,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:37,464 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:43:37,479 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_bd49536f-3736-46eb-8da9-5261b23e524a/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c[454,467] [2022-11-20 17:43:37,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:43:37,497 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:43:37,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37 WrapperNode [2022-11-20 17:43:37,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:43:37,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:37,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:43:37,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:43:37,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,541 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2022-11-20 17:43:37,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:43:37,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:43:37,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:43:37,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:43:37,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:43:37,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:43:37,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:43:37,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:43:37,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:43:37,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:43:37,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:43:37,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:43:37,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:43:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:43:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:43:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:43:37,658 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-11-20 17:43:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-11-20 17:43:37,731 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:43:37,734 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:43:37,903 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:43:37,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:43:37,936 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:43:37,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:37 BoogieIcfgContainer [2022-11-20 17:43:37,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:43:37,941 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:43:37,941 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:43:37,955 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:43:37,955 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:37" (1/1) ... [2022-11-20 17:43:37,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:43:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2022-11-20 17:43:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-20 17:43:38,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:43:38,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:38,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:38,398 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 17:43:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-20 17:43:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 17:43:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:43:38,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:38,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:38,696 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 17:43:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 28 transitions. [2022-11-20 17:43:39,050 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 17:43:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:43:39,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:39,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:39,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:43:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 22 transitions. [2022-11-20 17:43:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2022-11-20 17:43:39,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:43:39,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:39,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:39,523 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 17:43:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 28 transitions. [2022-11-20 17:43:39,751 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2022-11-20 17:43:39,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:43:39,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:39,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:39,917 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 17:43:40,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:40,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 34 transitions. [2022-11-20 17:43:40,175 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-20 17:43:40,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:43:40,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:40,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:40,381 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 17:43:40,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 40 transitions. [2022-11-20 17:43:40,654 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-11-20 17:43:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:43:40,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:40,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:40,899 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 17:43:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:41,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 46 transitions. [2022-11-20 17:43:41,176 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 17:43:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:43:41,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:41,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:41,426 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 17:43:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 52 transitions. [2022-11-20 17:43:41,730 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2022-11-20 17:43:41,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-20 17:43:41,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:41,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:41,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:42,054 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 17:43:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:42,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 58 transitions. [2022-11-20 17:43:42,395 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2022-11-20 17:43:42,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-11-20 17:43:42,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:42,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:42,713 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 17:43:43,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:43,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 64 transitions. [2022-11-20 17:43:43,054 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 64 transitions. [2022-11-20 17:43:43,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-20 17:43:43,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:43,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:43,417 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 17:43:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 61 states and 70 transitions. [2022-11-20 17:43:43,801 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-11-20 17:43:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-20 17:43:43,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:43,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:44,132 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 17:43:44,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:44,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 76 transitions. [2022-11-20 17:43:44,519 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2022-11-20 17:43:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 17:43:44,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:44,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:44,909 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 17:43:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 72 transitions. [2022-11-20 17:43:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-11-20 17:43:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-20 17:43:45,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:45,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:45,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:45,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 67 states and 86 transitions. [2022-11-20 17:43:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-11-20 17:43:45,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-20 17:43:45,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:45,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:45,874 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:45,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:45,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 68 states and 86 transitions. [2022-11-20 17:43:45,910 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2022-11-20 17:43:45,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-20 17:43:45,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:45,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 72 states and 99 transitions. [2022-11-20 17:43:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2022-11-20 17:43:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-20 17:43:46,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:46,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:46,806 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2022-11-20 17:43:47,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:47,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 71 states and 98 transitions. [2022-11-20 17:43:47,262 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions. [2022-11-20 17:43:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 17:43:47,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:47,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:47,533 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 110 transitions. [2022-11-20 17:43:48,115 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2022-11-20 17:43:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-20 17:43:48,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:48,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:49,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:49,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 81 states and 121 transitions. [2022-11-20 17:43:49,025 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2022-11-20 17:43:49,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 17:43:49,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:49,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:49,317 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:49,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:49,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 86 states and 131 transitions. [2022-11-20 17:43:49,946 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 131 transitions. [2022-11-20 17:43:49,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 17:43:49,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:49,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 91 states and 140 transitions. [2022-11-20 17:43:50,943 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 140 transitions. [2022-11-20 17:43:50,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-20 17:43:50,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:50,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:51,333 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:52,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 96 states and 148 transitions. [2022-11-20 17:43:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2022-11-20 17:43:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-20 17:43:52,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:52,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 101 states and 155 transitions. [2022-11-20 17:43:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2022-11-20 17:43:52,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-20 17:43:52,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:52,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:54,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 161 transitions. [2022-11-20 17:43:54,265 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 161 transitions. [2022-11-20 17:43:54,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-20 17:43:54,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:43:54,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:43:54,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:43:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2022-11-20 17:43:55,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:43:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 108 states and 163 transitions. [2022-11-20 17:43:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 163 transitions. [2022-11-20 17:43:55,661 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:43:55,661 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2022-11-20 17:43:55,676 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:43:56,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:43:56 ImpRootNode [2022-11-20 17:43:56,256 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:43:56,257 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:43:56,257 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:43:56,257 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:43:56,258 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:43:37" (3/4) ... [2022-11-20 17:43:56,263 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:43:56,271 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2022-11-20 17:43:56,282 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-20 17:43:56,282 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:43:56,283 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:43:56,284 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:43:56,363 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:43:56,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:43:56,367 INFO L158 Benchmark]: Toolchain (without parser) took 19127.76ms. Allocated memory was 121.6MB in the beginning and 232.8MB in the end (delta: 111.1MB). Free memory was 91.4MB in the beginning and 171.1MB in the end (delta: -79.7MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-11-20 17:43:56,368 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:56,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.18ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 82.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:43:56,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.65ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:43:56,373 INFO L158 Benchmark]: Boogie Preprocessor took 23.12ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 79.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:43:56,376 INFO L158 Benchmark]: RCFGBuilder took 373.43ms. Allocated memory is still 121.6MB. Free memory was 79.3MB in the beginning and 69.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 17:43:56,380 INFO L158 Benchmark]: CodeCheck took 18315.67ms. Allocated memory was 121.6MB in the beginning and 232.8MB in the end (delta: 111.1MB). Free memory was 69.3MB in the beginning and 173.1MB in the end (delta: -103.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-11-20 17:43:56,381 INFO L158 Benchmark]: Witness Printer took 109.07ms. Allocated memory is still 232.8MB. Free memory was 173.1MB in the beginning and 171.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:43:56,384 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: 17.7s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1807 SdHoareTripleChecker+Valid, 19.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1675 mSDsluCounter, 1412 SdHoareTripleChecker+Invalid, 15.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 3093 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8770 IncrementalHoareTripleChecker+Invalid, 11863 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3093 mSolverCounterUnsat, 1204 mSDtfsCounter, 8770 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12549 GetRequests, 12364 SyntacticMatches, 5 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12822 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 1284 NumberOfCodeBlocks, 1284 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1259 ConstructedInterpolants, 0 QuantifiedInterpolants, 2496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 6 PerfectInterpolantSequences, 2948/4773 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 0.20ms. Allocated memory is still 121.6MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.18ms. Allocated memory is still 121.6MB. Free memory was 91.4MB in the beginning and 82.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.65ms. Allocated memory is still 121.6MB. Free memory was 82.0MB in the beginning and 80.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.12ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 79.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.43ms. Allocated memory is still 121.6MB. Free memory was 79.3MB in the beginning and 69.4MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 18315.67ms. Allocated memory was 121.6MB in the beginning and 232.8MB in the end (delta: 111.1MB). Free memory was 69.3MB in the beginning and 173.1MB in the end (delta: -103.8MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 109.07ms. Allocated memory is still 232.8MB. Free memory was 173.1MB in the beginning and 171.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:43:56,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd49536f-3736-46eb-8da9-5261b23e524a/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE