./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/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_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/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_d17b6a4d-e9dc-4375-b265-f8f1b4038499/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 67c8082717fe688b9b5c45f5dc06a128b840b4fa3a77916999a526ea5d3d2e54 --- 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 17:19:54,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:19:54,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:19:54,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:19:54,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:19:54,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:19:54,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:19:54,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:19:54,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:19:54,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:19:54,811 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:19:54,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:19:54,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:19:54,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:19:54,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:19:54,816 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:19:54,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:19:54,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:19:54,819 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:19:54,821 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:19:54,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:19:54,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:19:54,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:19:54,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:19:54,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:19:54,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:19:54,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:19:54,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:19:54,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:19:54,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:19:54,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:19:54,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:19:54,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:19:54,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:19:54,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:19:54,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:19:54,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:19:54,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:19:54,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:19:54,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:19:54,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:19:54,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:19:54,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:19:54,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:19:54,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:19:54,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:19:54,901 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:19:54,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:19:54,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:19:54,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:19:54,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:19:54,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:19:54,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:19:54,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:19:54,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:19:54,904 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:19:54,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:19:54,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:19:54,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:19:54,905 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:19:54,905 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:19:54,905 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:19:54,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:19:54,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:19:54,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:19:54,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:19:54,906 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:19:54,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:19:54,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:19:54,907 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_d17b6a4d-e9dc-4375-b265-f8f1b4038499/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67c8082717fe688b9b5c45f5dc06a128b840b4fa3a77916999a526ea5d3d2e54 [2022-11-20 17:19:55,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:19:55,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:19:55,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:19:55,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:19:55,251 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:19:55,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_good.i [2022-11-20 17:19:58,436 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:19:58,767 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:19:58,768 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_17_good.i [2022-11-20 17:19:58,800 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/data/6693aef1f/6f27199c5fd94eb5a7ecfd94a36fe983/FLAGe9e1a3b61 [2022-11-20 17:19:58,822 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/data/6693aef1f/6f27199c5fd94eb5a7ecfd94a36fe983 [2022-11-20 17:19:58,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:19:58,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:19:58,831 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:19:58,831 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:19:58,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:19:58,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a531f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:19:58, skipping insertion in model container [2022-11-20 17:19:58,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:19:58" (1/1) ... [2022-11-20 17:19:58,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:19:58,935 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:19:59,381 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:20:00,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:00,050 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:20:00,081 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:20:00,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:00,371 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:20:00,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00 WrapperNode [2022-11-20 17:20:00,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:00,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:00,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:20:00,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:20:00,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,431 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2022-11-20 17:20:00,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:00,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:20:00,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:20:00,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:20:00,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:20:00,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:20:00,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:20:00,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:20:00,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:00" (1/1) ... [2022-11-20 17:20:00,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:00,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:20:00,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:20:00,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:20:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:20:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:20:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:20:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:20:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:20:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:20:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:20:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:20:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:20:00,853 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:20:00,855 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:20:01,186 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:20:01,275 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:20:01,279 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:20:01,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:20:01 BoogieIcfgContainer [2022-11-20 17:20:01,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:20:01,284 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:20:01,284 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:20:01,296 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:20:01,296 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:20:01" (1/1) ... [2022-11-20 17:20:01,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:20:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 17:20:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 17:20:01,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:20:01,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:01,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:01,952 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 17:20:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 46 states and 54 transitions. [2022-11-20 17:20:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2022-11-20 17:20:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:20:02,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:02,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:02,271 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 17:20:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2022-11-20 17:20:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2022-11-20 17:20:02,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:20:02,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:02,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:02,526 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 17:20:02,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2022-11-20 17:20:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-20 17:20:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:20:02,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:02,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:02,649 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 17:20:02,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:02,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2022-11-20 17:20:02,693 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2022-11-20 17:20:02,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:20:02,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:02,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:02,765 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 17:20:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2022-11-20 17:20:02,803 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2022-11-20 17:20:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:20:02,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:02,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:02,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:20:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:03,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-11-20 17:20:03,353 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-11-20 17:20:03,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:20:03,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:03,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:03,467 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 17:20:03,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:03,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 51 states and 63 transitions. [2022-11-20 17:20:03,564 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2022-11-20 17:20:03,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:20:03,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:03,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:03,628 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 17:20:03,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2022-11-20 17:20:03,645 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2022-11-20 17:20:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:20:03,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:03,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:03,709 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 17:20:03,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:03,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2022-11-20 17:20:03,836 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-11-20 17:20:03,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:20:03,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:03,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:03,950 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:20:04,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2022-11-20 17:20:04,038 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-11-20 17:20:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:20:04,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:04,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:20:04,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2022-11-20 17:20:04,110 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2022-11-20 17:20:04,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:20:04,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:04,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:20:04,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:04,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 79 transitions. [2022-11-20 17:20:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-11-20 17:20:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:20:04,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:04,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:04,654 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 17:20:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:04,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 80 transitions. [2022-11-20 17:20:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-11-20 17:20:04,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:20:04,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:04,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:20:05,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:05,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 59 states and 74 transitions. [2022-11-20 17:20:05,110 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2022-11-20 17:20:05,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:20:05,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:05,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:05,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:20:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 48 transitions. [2022-11-20 17:20:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2022-11-20 17:20:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:20:05,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:05,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:05,437 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:20:05,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:05,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 52 transitions. [2022-11-20 17:20:05,860 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-11-20 17:20:05,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:20:05,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:05,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:20:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:05,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 53 transitions. [2022-11-20 17:20:05,943 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2022-11-20 17:20:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:20:05,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:05,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:20:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 52 states and 62 transitions. [2022-11-20 17:20:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2022-11-20 17:20:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 17:20:06,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:06,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:06,552 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:20:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:06,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 53 states and 64 transitions. [2022-11-20 17:20:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2022-11-20 17:20:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:20:06,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:06,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:06,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:20:07,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:07,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 65 transitions. [2022-11-20 17:20:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2022-11-20 17:20:07,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-20 17:20:07,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:07,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:07,094 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:20:07,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:07,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 41 states and 46 transitions. [2022-11-20 17:20:07,329 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2022-11-20 17:20:07,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:20:07,330 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-11-20 17:20:07,338 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 17:20:07,452 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-11-20 17:20:07,462 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:20:07,463 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:20:07,463 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-11-20 17:20:07,463 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:20:07,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:20:07 ImpRootNode [2022-11-20 17:20:07,464 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:20:07,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:20:07,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:20:07,465 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:20:07,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:20:01" (3/4) ... [2022-11-20 17:20:07,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:20:07,474 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:20:07,475 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:20:07,479 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 17:20:07,480 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 17:20:07,480 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:20:07,480 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:20:07,526 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:20:07,526 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:20:07,527 INFO L158 Benchmark]: Toolchain (without parser) took 8699.00ms. Allocated memory was 151.0MB in the beginning and 297.8MB in the end (delta: 146.8MB). Free memory was 100.6MB in the beginning and 136.0MB in the end (delta: -35.4MB). Peak memory consumption was 112.7MB. Max. memory is 16.1GB. [2022-11-20 17:20:07,527 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:20:07,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1540.98ms. Allocated memory was 151.0MB in the beginning and 241.2MB in the end (delta: 90.2MB). Free memory was 100.4MB in the beginning and 172.7MB in the end (delta: -72.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2022-11-20 17:20:07,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.03ms. Allocated memory is still 241.2MB. Free memory was 172.7MB in the beginning and 169.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:07,529 INFO L158 Benchmark]: Boogie Preprocessor took 36.59ms. Allocated memory is still 241.2MB. Free memory was 169.6MB in the beginning and 167.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:07,529 INFO L158 Benchmark]: RCFGBuilder took 813.70ms. Allocated memory is still 241.2MB. Free memory was 167.6MB in the beginning and 146.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:20:07,529 INFO L158 Benchmark]: CodeCheck took 6180.24ms. Allocated memory was 241.2MB in the beginning and 297.8MB in the end (delta: 56.6MB). Free memory was 146.6MB in the beginning and 139.1MB in the end (delta: 7.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2022-11-20 17:20:07,530 INFO L158 Benchmark]: Witness Printer took 61.79ms. Allocated memory is still 297.8MB. Free memory was 139.1MB in the beginning and 136.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:07,532 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, 44 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1447 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 514 mSDsluCounter, 449 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 735 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2672 IncrementalHoareTripleChecker+Invalid, 3407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 735 mSolverCounterUnsat, 395 mSDtfsCounter, 2672 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2978 GetRequests, 2883 SyntacticMatches, 1 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2871 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 427 NumberOfCodeBlocks, 427 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 406 ConstructedInterpolants, 0 QuantifiedInterpolants, 640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 15 PerfectInterpolantSequences, 82/88 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: 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 && 0 <= data + 2147483648) || i == 0 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: (1 <= h && data == 2) || h == 0 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1540.98ms. Allocated memory was 151.0MB in the beginning and 241.2MB in the end (delta: 90.2MB). Free memory was 100.4MB in the beginning and 172.7MB in the end (delta: -72.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.03ms. Allocated memory is still 241.2MB. Free memory was 172.7MB in the beginning and 169.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.59ms. Allocated memory is still 241.2MB. Free memory was 169.6MB in the beginning and 167.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 813.70ms. Allocated memory is still 241.2MB. Free memory was 167.6MB in the beginning and 146.6MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 6180.24ms. Allocated memory was 241.2MB in the beginning and 297.8MB in the end (delta: 56.6MB). Free memory was 146.6MB in the beginning and 139.1MB in the end (delta: 7.5MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Witness Printer took 61.79ms. Allocated memory is still 297.8MB. Free memory was 139.1MB in the beginning and 136.0MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:20:07,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d17b6a4d-e9dc-4375-b265-f8f1b4038499/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