./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/jain_1-1.c --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_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/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_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/jain_1-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/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_040fad73-f31a-4dad-98fd-dd60ea9c045c/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 c32f942c6eb2912830a40efe9162c395bf3634ab4557e4b71a48bed97282f20f --- 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 16:47:21,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:47:21,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:47:21,531 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:47:21,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:47:21,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:47:21,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:47:21,545 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:47:21,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:47:21,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:47:21,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:47:21,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:47:21,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:47:21,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:47:21,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:47:21,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:47:21,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:47:21,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:47:21,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:47:21,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:47:21,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:47:21,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:47:21,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:47:21,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:47:21,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:47:21,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:47:21,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:47:21,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:47:21,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:47:21,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:47:21,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:47:21,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:47:21,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:47:21,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:47:21,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:47:21,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:47:21,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:47:21,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:47:21,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:47:21,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:47:21,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:47:21,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:47:21,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:47:21,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:47:21,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:47:21,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:47:21,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:47:21,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:47:21,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:47:21,674 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:47:21,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:47:21,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:47:21,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:47:21,676 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:47:21,676 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:47:21,676 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:47:21,677 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:47:21,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:47:21,677 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:47:21,677 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:47:21,678 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:47:21,678 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:47:21,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:47:21,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:21,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:47:21,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:47:21,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:47:21,680 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:47:21,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:47:21,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:47:21,682 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_040fad73-f31a-4dad-98fd-dd60ea9c045c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c32f942c6eb2912830a40efe9162c395bf3634ab4557e4b71a48bed97282f20f [2022-10-17 16:47:22,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:47:22,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:47:22,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:47:22,066 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:47:22,067 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:47:22,069 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/bitvector/jain_1-1.c [2022-10-17 16:47:22,133 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/data/4fd8607e3/341eec828c9a43fabd8d55c9b8eec333/FLAGa9dea1ea3 [2022-10-17 16:47:22,636 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:47:22,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/sv-benchmarks/c/bitvector/jain_1-1.c [2022-10-17 16:47:22,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/data/4fd8607e3/341eec828c9a43fabd8d55c9b8eec333/FLAGa9dea1ea3 [2022-10-17 16:47:23,013 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/data/4fd8607e3/341eec828c9a43fabd8d55c9b8eec333 [2022-10-17 16:47:23,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:47:23,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:47:23,019 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:23,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:47:23,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:47:23,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c66c8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23, skipping insertion in model container [2022-10-17 16:47:23,025 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:47:23,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:23,234 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_040fad73-f31a-4dad-98fd-dd60ea9c045c/sv-benchmarks/c/bitvector/jain_1-1.c[675,688] [2022-10-17 16:47:23,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:23,257 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:23,271 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_040fad73-f31a-4dad-98fd-dd60ea9c045c/sv-benchmarks/c/bitvector/jain_1-1.c[675,688] [2022-10-17 16:47:23,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:23,292 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:23,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23 WrapperNode [2022-10-17 16:47:23,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:23,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:23,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:23,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:23,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,311 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,329 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2022-10-17 16:47:23,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:23,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:23,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:23,331 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:23,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,351 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:23,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:23,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:23,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:23,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:23,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:23,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:23,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:23,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:23,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:23,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:23,509 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:23,511 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:23,617 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:23,641 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:23,642 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:47:23,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:23 BoogieIcfgContainer [2022-10-17 16:47:23,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:23,646 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:23,646 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:23,659 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:23,660 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:23" (1/1) ... [2022-10-17 16:47:23,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:23,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 16:47:23,737 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 16:47:23,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:47:23,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:23,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:24,103 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 16:47:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:24,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-10-17 16:47:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-10-17 16:47:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:47:24,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:24,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:47:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:24,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 5 states and 6 transitions. [2022-10-17 16:47:24,710 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 6 transitions. [2022-10-17 16:47:24,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:47:24,711 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-10-17 16:47:24,720 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:47:24,748 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-10-17 16:47:24,759 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2022-10-17 16:47:24,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:47:24 ImpRootNode [2022-10-17 16:47:24,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:47:24,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:47:24,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:47:24,763 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:47:24,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:23" (3/4) ... [2022-10-17 16:47:24,768 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:47:24,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:47:24,780 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-10-17 16:47:24,781 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:47:24,781 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:47:24,844 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:47:24,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:47:24,847 INFO L158 Benchmark]: Toolchain (without parser) took 1828.91ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.3MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:24,848 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:24,849 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.05ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 45.9MB in the beginning and 94.0MB in the end (delta: -48.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:47:24,850 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.77ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:47:24,851 INFO L158 Benchmark]: Boogie Preprocessor took 23.85ms. Allocated memory is still 119.5MB. Free memory was 92.6MB in the beginning and 91.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:24,852 INFO L158 Benchmark]: RCFGBuilder took 289.90ms. Allocated memory is still 119.5MB. Free memory was 91.4MB in the beginning and 82.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:47:24,853 INFO L158 Benchmark]: CodeCheck took 1114.09ms. Allocated memory is still 119.5MB. Free memory was 81.9MB in the beginning and 46.9MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-10-17 16:47:24,854 INFO L158 Benchmark]: Witness Printer took 84.81ms. Allocated memory is still 119.5MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:47:24,864 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 2 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 81 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 55 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: 16]: 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: 26]: Loop Invariant Derived loop invariant: 1 <= y + 2 * ((-1 * y + 1) / 2) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 <= y + 2 * ((-1 * y + 1) / 2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.05ms. Allocated memory was 83.9MB in the beginning and 119.5MB in the end (delta: 35.7MB). Free memory was 45.9MB in the beginning and 94.0MB in the end (delta: -48.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.77ms. Allocated memory is still 119.5MB. Free memory was 94.0MB in the beginning and 92.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.85ms. Allocated memory is still 119.5MB. Free memory was 92.6MB in the beginning and 91.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.90ms. Allocated memory is still 119.5MB. Free memory was 91.4MB in the beginning and 82.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1114.09ms. Allocated memory is still 119.5MB. Free memory was 81.9MB in the beginning and 46.9MB in the end (delta: 34.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 84.81ms. Allocated memory is still 119.5MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:47:24,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_040fad73-f31a-4dad-98fd-dd60ea9c045c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE