./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/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_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/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 64bit --witnessprinter.graph.data.programhash 4e858e92769826ad06862da6c445d838ea78539ebefca17b20a88b6678436e7e --- 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 18:28:23,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:28:23,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:28:23,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:28:23,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:28:23,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:28:23,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:28:23,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:28:23,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:28:23,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:28:23,745 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:28:23,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:28:23,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:28:23,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:28:23,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:28:23,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:28:23,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:28:23,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:28:23,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:28:23,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:28:23,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:28:23,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:28:23,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:28:23,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:28:23,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:28:23,768 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:28:23,768 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:28:23,769 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:28:23,770 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:28:23,771 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:28:23,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:28:23,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:28:23,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:28:23,775 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:28:23,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:28:23,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:28:23,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:28:23,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:28:23,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:28:23,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:28:23,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:28:23,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:28:23,822 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:28:23,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:28:23,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:28:23,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:28:23,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:28:23,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:28:23,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:28:23,830 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:28:23,830 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:28:23,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:28:23,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:28:23,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:28:23,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:28:23,833 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:28:23,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:28:23,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:28:23,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:28:23,834 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:28:23,834 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:28:23,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:28:23,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:28:23,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:28:23,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:28:23,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:28:23,836 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:28:23,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:28:23,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:28:23,836 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_7f5275bd-1a09-4c42-8803-bcc38ebe1914/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e858e92769826ad06862da6c445d838ea78539ebefca17b20a88b6678436e7e [2022-11-20 18:28:24,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:28:24,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:28:24,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:28:24,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:28:24,143 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:28:24,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_17_good.i [2022-11-20 18:28:27,234 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:28:27,637 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:28:27,638 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_17_good.i [2022-11-20 18:28:27,660 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/data/0cbe4fb69/8caa8143a7ba437aa3a77dd8cb295a37/FLAGff37183f0 [2022-11-20 18:28:27,675 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/data/0cbe4fb69/8caa8143a7ba437aa3a77dd8cb295a37 [2022-11-20 18:28:27,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:28:27,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:28:27,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:28:27,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:28:27,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:28:27,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:28:27" (1/1) ... [2022-11-20 18:28:27,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@583e6838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:27, skipping insertion in model container [2022-11-20 18:28:27,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:28:27" (1/1) ... [2022-11-20 18:28:27,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:28:27,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:28:28,156 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:28:28,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:28:28,734 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:28:28,767 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:28:28,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:28:29,023 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:28:29,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29 WrapperNode [2022-11-20 18:28:29,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:28:29,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:28:29,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:28:29,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:28:29,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,099 INFO L138 Inliner]: procedures = 501, calls = 66, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 104 [2022-11-20 18:28:29,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:28:29,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:28:29,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:28:29,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:28:29,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:28:29,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:28:29,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:28:29,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:28:29,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:28:29,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:28:29,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:28:29,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:28:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:28:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:28:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:28:29,226 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:28:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:28:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:28:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:28:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:28:29,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:28:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:28:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:28:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:28:29,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:28:29,374 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:28:29,376 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:28:29,647 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:28:29,706 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:28:29,706 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 18:28:29,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:29 BoogieIcfgContainer [2022-11-20 18:28:29,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:28:29,710 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:28:29,710 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:28:29,721 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:28:29,727 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:29" (1/1) ... [2022-11-20 18:28:29,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:28:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:29,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-20 18:28:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-20 18:28:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:28:29,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:30,170 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 18:28:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-11-20 18:28:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-20 18:28:30,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:28:30,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:30,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:30,360 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 18:28:30,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:30,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2022-11-20 18:28:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-11-20 18:28:30,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:28:30,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:30,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:28:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2022-11-20 18:28:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-20 18:28:30,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:28:30,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:30,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:30,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:28:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-20 18:28:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-20 18:28:30,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:28:30,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:30,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:28:30,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-11-20 18:28:30,937 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-20 18:28:30,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:28:30,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:30,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:28:31,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:31,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-11-20 18:28:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-20 18:28:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:28:31,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:31,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:28:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:31,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-11-20 18:28:31,445 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-20 18:28:31,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:28:31,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:31,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:31,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:28:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2022-11-20 18:28:31,840 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-20 18:28:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:28:31,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:31,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:31,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:28:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2022-11-20 18:28:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-20 18:28:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 18:28:32,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:32,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:32,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:28:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:32,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2022-11-20 18:28:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-11-20 18:28:32,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:28:32,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:28:32,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2022-11-20 18:28:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-11-20 18:28:32,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 18:28:32,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:32,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:28:32,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:32,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2022-11-20 18:28:32,603 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-11-20 18:28:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 18:28:32,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:32,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 18:28:32,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:32,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 53 transitions. [2022-11-20 18:28:32,964 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-20 18:28:32,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 18:28:32,965 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:32,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:32,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:28:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 47 transitions. [2022-11-20 18:28:33,239 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-20 18:28:33,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:28:33,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:33,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:28:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:33,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 52 transitions. [2022-11-20 18:28:33,749 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-11-20 18:28:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 18:28:33,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:33,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:28:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:33,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 53 transitions. [2022-11-20 18:28:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-20 18:28:33,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 18:28:33,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:33,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:28:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 64 transitions. [2022-11-20 18:28:34,300 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-20 18:28:34,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 18:28:34,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:34,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 18:28:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:34,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 66 transitions. [2022-11-20 18:28:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2022-11-20 18:28:34,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 18:28:34,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:34,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:34,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:28:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 70 transitions. [2022-11-20 18:28:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2022-11-20 18:28:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 18:28:34,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:28:34,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:28:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:28:34,876 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 18:28:35,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:28:35,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 38 states and 42 transitions. [2022-11-20 18:28:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-20 18:28:35,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:28:35,158 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-20 18:28:35,166 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 18:28:35,280 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 18:28:35,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:28:35,291 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:28:35,291 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 18:28:35,292 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:28:35,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:28:35 ImpRootNode [2022-11-20 18:28:35,293 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:28:35,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:28:35,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:28:35,294 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:28:35,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:28:29" (3/4) ... [2022-11-20 18:28:35,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:28:35,303 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:28:35,303 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:28:35,308 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-20 18:28:35,309 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-20 18:28:35,309 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:28:35,309 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:28:35,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:28:35,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:28:35,356 INFO L158 Benchmark]: Toolchain (without parser) took 7676.70ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 179.5MB in the beginning and 161.6MB in the end (delta: 17.9MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2022-11-20 18:28:35,357 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 134.2MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:28:35,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1343.45ms. Allocated memory is still 213.9MB. Free memory was 179.5MB in the beginning and 175.2MB in the end (delta: 4.3MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2022-11-20 18:28:35,358 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.26ms. Allocated memory is still 213.9MB. Free memory was 175.2MB in the beginning and 172.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:28:35,358 INFO L158 Benchmark]: Boogie Preprocessor took 38.99ms. Allocated memory is still 213.9MB. Free memory was 172.1MB in the beginning and 171.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:28:35,358 INFO L158 Benchmark]: RCFGBuilder took 569.41ms. Allocated memory is still 213.9MB. Free memory was 171.1MB in the beginning and 153.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 18:28:35,359 INFO L158 Benchmark]: CodeCheck took 5582.85ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 153.2MB in the beginning and 164.8MB in the end (delta: -11.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-20 18:28:35,359 INFO L158 Benchmark]: Witness Printer took 62.54ms. Allocated memory is still 257.9MB. Free memory was 164.8MB in the beginning and 161.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:28:35,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1085 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 367 mSDsluCounter, 463 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 678 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2333 IncrementalHoareTripleChecker+Invalid, 3011 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 678 mSolverCounterUnsat, 343 mSDtfsCounter, 2333 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2742 GetRequests, 2656 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1964 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 372 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 580 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 16 PerfectInterpolantSequences, 50/54 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 <= i || i == 0 - InvariantResult [Line: 1601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: (1 <= h && data == 2) || h == 0 - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 134.2MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1343.45ms. Allocated memory is still 213.9MB. Free memory was 179.5MB in the beginning and 175.2MB in the end (delta: 4.3MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.26ms. Allocated memory is still 213.9MB. Free memory was 175.2MB in the beginning and 172.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.99ms. Allocated memory is still 213.9MB. Free memory was 172.1MB in the beginning and 171.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 569.41ms. Allocated memory is still 213.9MB. Free memory was 171.1MB in the beginning and 153.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 5582.85ms. Allocated memory was 213.9MB in the beginning and 257.9MB in the end (delta: 44.0MB). Free memory was 153.2MB in the beginning and 164.8MB in the end (delta: -11.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 62.54ms. Allocated memory is still 257.9MB. Free memory was 164.8MB in the beginning and 161.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:28:35,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f5275bd-1a09-4c42-8803-bcc38ebe1914/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