./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/volatile_alias.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/volatile_alias.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a988b6de948d75b5e0137d9fcbd7a2fd2df2ed717cdabff89a8624df62a9e556 --- 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-dbf71c6-m [2022-10-17 16:54:06,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:06,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:06,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:06,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:06,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:06,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:06,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:06,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:06,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:06,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:06,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:06,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:06,492 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:06,494 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:06,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:06,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:06,500 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:06,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:06,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:06,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:06,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:06,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:06,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:06,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:06,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:06,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:06,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:06,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:06,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:06,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:06,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:06,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:06,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:06,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:06,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:06,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:06,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:06,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:06,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:06,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:06,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:54:06,573 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:06,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:06,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:06,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:06,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:06,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:06,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:06,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:06,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:06,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:06,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:06,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:06,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:06,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:06,578 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:06,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:06,578 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:06,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:06,579 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:06,579 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:06,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:06,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:06,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:06,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:06,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:06,581 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:06,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:06,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:06,581 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_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a988b6de948d75b5e0137d9fcbd7a2fd2df2ed717cdabff89a8624df62a9e556 [2022-10-17 16:54:06,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:06,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:06,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:06,870 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:06,872 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:06,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-regression/volatile_alias.i [2022-10-17 16:54:06,950 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/data/fed047ece/0352df652c1e4c499cd63f31b28c5c1a/FLAG7b79215b6 [2022-10-17 16:54:07,406 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:07,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/sv-benchmarks/c/ldv-regression/volatile_alias.i [2022-10-17 16:54:07,415 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/data/fed047ece/0352df652c1e4c499cd63f31b28c5c1a/FLAG7b79215b6 [2022-10-17 16:54:07,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/data/fed047ece/0352df652c1e4c499cd63f31b28c5c1a [2022-10-17 16:54:07,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:07,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:07,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:07,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:07,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:07,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:07" (1/1) ... [2022-10-17 16:54:07,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13cac9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:07, skipping insertion in model container [2022-10-17 16:54:07,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:07" (1/1) ... [2022-10-17 16:54:07,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:07,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:07,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/sv-benchmarks/c/ldv-regression/volatile_alias.i[409,422] [2022-10-17 16:54:07,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:08,004 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:08,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/sv-benchmarks/c/ldv-regression/volatile_alias.i[409,422] [2022-10-17 16:54:08,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:08,033 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:08,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08 WrapperNode [2022-10-17 16:54:08,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:08,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:08,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:08,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:08,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,049 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,065 INFO L138 Inliner]: procedures = 12, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-10-17 16:54:08,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:08,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:08,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:08,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:08,075 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,083 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:08,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:08,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:08,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:08,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:08,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:08,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:08,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:54:08,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:08,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:08,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:54:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:54:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:54:08,305 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:08,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:08,407 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:08,437 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:08,438 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:54:08,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:08 BoogieIcfgContainer [2022-10-17 16:54:08,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:08,441 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:08,441 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:08,455 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:08,455 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:08" (1/1) ... [2022-10-17 16:54:08,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:08,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:08,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2022-10-17 16:54:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2022-10-17 16:54:08,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:54:08,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:08,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:08,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:09,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2022-10-17 16:54:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2022-10-17 16:54:09,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:54:09,017 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2022-10-17 16:54:09,037 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:54:09,056 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:54:09,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:54:09 ImpRootNode [2022-10-17 16:54:09,061 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:54:09,062 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:54:09,062 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:54:09,062 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:54:09,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:08" (3/4) ... [2022-10-17 16:54:09,066 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:54:09,078 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-10-17 16:54:09,088 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:54:09,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:54:09,092 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:54:09,147 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:54:09,151 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:54:09,152 INFO L158 Benchmark]: Toolchain (without parser) took 1364.09ms. Allocated memory is still 92.3MB. Free memory was 60.5MB in the beginning and 45.2MB in the end (delta: 15.3MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2022-10-17 16:54:09,152 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 71.7MB in the beginning and 71.7MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:09,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.80ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 50.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:54:09,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.06ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 49.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:09,158 INFO L158 Benchmark]: Boogie Preprocessor took 19.87ms. Allocated memory is still 92.3MB. Free memory was 49.4MB in the beginning and 48.3MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:54:09,159 INFO L158 Benchmark]: RCFGBuilder took 353.12ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 65.2MB in the end (delta: -16.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-10-17 16:54:09,159 INFO L158 Benchmark]: CodeCheck took 620.44ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 47.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:54:09,162 INFO L158 Benchmark]: Witness Printer took 88.97ms. Allocated memory is still 92.3MB. Free memory was 47.4MB in the beginning and 45.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:09,165 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 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 71.7MB in the beginning and 71.7MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.80ms. Allocated memory is still 92.3MB. Free memory was 60.3MB in the beginning and 50.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.06ms. Allocated memory is still 92.3MB. Free memory was 50.8MB in the beginning and 49.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.87ms. Allocated memory is still 92.3MB. Free memory was 49.4MB in the beginning and 48.3MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 353.12ms. Allocated memory is still 92.3MB. Free memory was 48.3MB in the beginning and 65.2MB in the end (delta: -16.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * CodeCheck took 620.44ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 47.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 88.97ms. Allocated memory is still 92.3MB. Free memory was 47.4MB in the beginning and 45.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:54:09,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68bc3af3-4753-4ada-bbc9-219c0667923a/bin/ukojak-92XMlrwhuB/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