./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_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_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/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_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/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_1210c21a-0a76-4197-a188-b0d82c3e2e53/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 2cdaed2907f05652b8d80e7807a6570ff4fe9c756e25cc4c588f625603205857 --- 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 17:32:35,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:32:35,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:32:35,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:32:35,607 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:32:35,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:32:35,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:32:35,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:32:35,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:32:35,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:32:35,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:32:35,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:32:35,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:32:35,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:32:35,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:32:35,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:32:35,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:32:35,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:32:35,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:32:35,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:32:35,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:32:35,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:32:35,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:32:35,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:32:35,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:32:35,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:32:35,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:32:35,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:32:35,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:32:35,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:32:35,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:32:35,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:32:35,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:32:35,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:32:35,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:32:35,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:32:35,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:32:35,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:32:35,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:32:35,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:32:35,647 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:32:35,648 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:32:35,674 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:32:35,674 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:32:35,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:32:35,676 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:32:35,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:32:35,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:32:35,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:32:35,678 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:32:35,678 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:32:35,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:32:35,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:32:35,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:32:35,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:32:35,680 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:32:35,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:32:35,680 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:32:35,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:32:35,681 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:32:35,681 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:32:35,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:32:35,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:32:35,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:32:35,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:32:35,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:32:35,683 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:32:35,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:32:35,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:32:35,684 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_1210c21a-0a76-4197-a188-b0d82c3e2e53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2cdaed2907f05652b8d80e7807a6570ff4fe9c756e25cc4c588f625603205857 [2022-11-20 17:32:35,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:32:36,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:32:36,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:32:36,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:32:36,009 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:32:36,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i [2022-11-20 17:32:39,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:32:39,643 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:32:39,643 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_17_good.i [2022-11-20 17:32:39,670 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/data/d8d87f39b/2de0b467986f49e4a747f6d238d4ed72/FLAG7326bfa83 [2022-11-20 17:32:39,692 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/data/d8d87f39b/2de0b467986f49e4a747f6d238d4ed72 [2022-11-20 17:32:39,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:32:39,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:32:39,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:32:39,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:32:39,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:32:39,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:39" (1/1) ... [2022-11-20 17:32:39,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c637daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:39, skipping insertion in model container [2022-11-20 17:32:39,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:32:39" (1/1) ... [2022-11-20 17:32:39,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:32:39,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:32:40,134 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:32:40,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:32:40,638 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:32:40,660 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:32:40,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:32:40,895 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:32:40,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40 WrapperNode [2022-11-20 17:32:40,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:32:40,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:32:40,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:32:40,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:32:40,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:40,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,024 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2022-11-20 17:32:41,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:32:41,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:32:41,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:32:41,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:32:41,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,088 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:32:41,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:32:41,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:32:41,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:32:41,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:32:40" (1/1) ... [2022-11-20 17:32:41,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:32:41,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:32:41,138 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:32:41,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:32:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:32:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:32:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:32:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:32:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:32:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:32:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:32:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:32:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:32:41,344 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:32:41,347 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:32:41,636 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:32:41,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:32:41,712 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 17:32:41,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:41 BoogieIcfgContainer [2022-11-20 17:32:41,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:32:41,715 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:32:41,715 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:32:41,726 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:32:41,726 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:41" (1/1) ... [2022-11-20 17:32:41,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:32:41,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-20 17:32:41,796 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-20 17:32:41,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:32:41,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:41,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:42,324 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 17:32:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2022-11-20 17:32:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-20 17:32:42,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:32:42,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:42,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:42,525 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 17:32:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:42,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2022-11-20 17:32:42,541 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-11-20 17:32:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:32:42,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:42,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:42,875 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 17:32:42,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:42,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 45 states and 53 transitions. [2022-11-20 17:32:42,968 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-20 17:32:42,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:32:42,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:42,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:43,053 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 17:32:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-11-20 17:32:43,095 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-11-20 17:32:43,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:32:43,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:43,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:43,217 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 17:32:43,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:43,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-11-20 17:32:43,272 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-20 17:32:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:32:43,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:43,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:43,342 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 17:32:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-11-20 17:32:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-20 17:32:43,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:32:43,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:43,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:43,465 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 17:32:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:43,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 49 states and 61 transitions. [2022-11-20 17:32:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2022-11-20 17:32:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:32:43,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:43,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:43,552 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 17:32:43,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:43,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 48 states and 60 transitions. [2022-11-20 17:32:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2022-11-20 17:32:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:32:43,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:43,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:43,694 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 17:32:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2022-11-20 17:32:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-11-20 17:32:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:32:43,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:43,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:43,899 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 17:32:43,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:43,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2022-11-20 17:32:43,993 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2022-11-20 17:32:43,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:32:43,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:43,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:44,095 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 17:32:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:44,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2022-11-20 17:32:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2022-11-20 17:32:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:32:44,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:44,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:44,203 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 17:32:44,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2022-11-20 17:32:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2022-11-20 17:32:44,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:32:44,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:44,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:44,397 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 17:32:44,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 53 transitions. [2022-11-20 17:32:44,661 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions. [2022-11-20 17:32:44,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:32:44,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:44,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:44,753 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 17:32:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 47 transitions. [2022-11-20 17:32:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-20 17:32:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:32:44,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:44,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:44,919 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 17:32:45,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:45,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 52 transitions. [2022-11-20 17:32:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions. [2022-11-20 17:32:45,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:32:45,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:45,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:45,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:45,358 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 17:32:45,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 58 transitions. [2022-11-20 17:32:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-11-20 17:32:45,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:32:45,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:45,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:45,977 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 17:32:46,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:46,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 70 transitions. [2022-11-20 17:32:46,450 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2022-11-20 17:32:46,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:32:46,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:46,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:46,518 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 17:32:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:46,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 56 states and 73 transitions. [2022-11-20 17:32:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-11-20 17:32:46,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-20 17:32:46,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:46,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:46,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:46,613 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 17:32:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:46,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 78 transitions. [2022-11-20 17:32:46,967 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-11-20 17:32:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 17:32:46,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:46,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 17:32:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 65 states and 82 transitions. [2022-11-20 17:32:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-11-20 17:32:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-20 17:32:47,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:32:47,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:32:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:32:47,486 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 17:32:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:32:47,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 38 states and 42 transitions. [2022-11-20 17:32:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-11-20 17:32:47,753 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:32:47,754 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-11-20 17:32:47,763 INFO L754 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2022-11-20 17:32:47,895 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-20 17:32:47,904 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:32:47,905 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:32:47,905 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2022-11-20 17:32:47,905 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:32:47,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:32:47 ImpRootNode [2022-11-20 17:32:47,906 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:32:47,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:32:47,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:32:47,907 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:32:47,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:32:41" (3/4) ... [2022-11-20 17:32:47,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:32:47,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:32:47,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:32:47,920 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-20 17:32:47,921 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-20 17:32:47,921 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:32:47,921 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:32:47,966 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:32:47,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:32:47,966 INFO L158 Benchmark]: Toolchain (without parser) took 8268.29ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 112.7MB in the beginning and 62.6MB in the end (delta: 50.1MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2022-11-20 17:32:47,967 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 163.6MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:32:47,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1193.95ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 127.3MB in the end (delta: -15.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2022-11-20 17:32:47,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.61ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 127.3MB in the beginning and 178.4MB in the end (delta: -51.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-20 17:32:47,968 INFO L158 Benchmark]: Boogie Preprocessor took 67.37ms. Allocated memory is still 211.8MB. Free memory was 178.4MB in the beginning and 176.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:32:47,968 INFO L158 Benchmark]: RCFGBuilder took 621.58ms. Allocated memory is still 211.8MB. Free memory was 176.3MB in the beginning and 155.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:32:47,969 INFO L158 Benchmark]: CodeCheck took 6190.96ms. Allocated memory is still 211.8MB. Free memory was 154.3MB in the beginning and 65.6MB in the end (delta: 88.7MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2022-11-20 17:32:47,969 INFO L158 Benchmark]: Witness Printer took 59.32ms. Allocated memory is still 211.8MB. Free memory was 65.6MB in the beginning and 62.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:32:47,971 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: 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, 1328 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 560 mSDsluCounter, 541 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 166 mSDsCounter, 657 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2402 IncrementalHoareTripleChecker+Invalid, 3059 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 657 mSolverCounterUnsat, 375 mSDtfsCounter, 2402 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2986 GetRequests, 2890 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2927 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 57/61 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: h == 0 || ((1 <= h && data + 2 <= 0) && 0 <= data + 2) - 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 0.61ms. Allocated memory is still 163.6MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1193.95ms. Allocated memory is still 163.6MB. Free memory was 112.0MB in the beginning and 127.3MB in the end (delta: -15.3MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.61ms. Allocated memory was 163.6MB in the beginning and 211.8MB in the end (delta: 48.2MB). Free memory was 127.3MB in the beginning and 178.4MB in the end (delta: -51.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.37ms. Allocated memory is still 211.8MB. Free memory was 178.4MB in the beginning and 176.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.58ms. Allocated memory is still 211.8MB. Free memory was 176.3MB in the beginning and 155.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 6190.96ms. Allocated memory is still 211.8MB. Free memory was 154.3MB in the beginning and 65.6MB in the end (delta: 88.7MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Witness Printer took 59.32ms. Allocated memory is still 211.8MB. Free memory was 65.6MB in the beginning and 62.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:32:47,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1210c21a-0a76-4197-a188-b0d82c3e2e53/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