./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4 --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 32bit --witnessprinter.graph.data.programhash 093098b4743529dc8b7049ce18a181f225b756d3e70a96af04e296b088e72e58 --- 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-2329fc7 [2022-12-15 00:01:36,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:01:36,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:01:36,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:01:36,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:01:36,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:01:36,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:01:36,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:01:36,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:01:36,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:01:36,559 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:01:36,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:01:36,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:01:36,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:01:36,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:01:36,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:01:36,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:01:36,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:01:36,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:01:36,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:01:36,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:01:36,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:01:36,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:01:36,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:01:36,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:01:36,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:01:36,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:01:36,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:01:36,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:01:36,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:01:36,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:01:36,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:01:36,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:01:36,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:01:36,576 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:01:36,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:01:36,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:01:36,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:01:36,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:01:36,578 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:01:36,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:01:36,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-15 00:01:36,594 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:01:36,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:01:36,594 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:01:36,594 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:01:36,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:01:36,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:01:36,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:01:36,595 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:01:36,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:01:36,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:01:36,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:01:36,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:01:36,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:01:36,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:01:36,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:01:36,596 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:01:36,596 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:01:36,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:01:36,597 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:01:36,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:01:36,597 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:01:36,597 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:01:36,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:01:36,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:01:36,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:01:36,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:01:36,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:01:36,598 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:01:36,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:01:36,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:01:36,598 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_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 093098b4743529dc8b7049ce18a181f225b756d3e70a96af04e296b088e72e58 [2022-12-15 00:01:36,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:01:36,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:01:36,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:01:36,785 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:01:36,785 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:01:36,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i [2022-12-15 00:01:39,334 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:01:39,453 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:01:39,453 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i [2022-12-15 00:01:39,457 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/data/dfd286280/f3dac8fb9bde4dae89effcf255b6e311/FLAGe668fe1e7 [2022-12-15 00:01:39,468 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/data/dfd286280/f3dac8fb9bde4dae89effcf255b6e311 [2022-12-15 00:01:39,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:01:39,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:01:39,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:01:39,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:01:39,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:01:39,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d36895d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39, skipping insertion in model container [2022-12-15 00:01:39,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:01:39,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:01:39,592 WARN L237 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_7949d33f-cbcf-4529-b297-57c297b5c9a9/sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i[904,917] [2022-12-15 00:01:39,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:01:39,605 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:01:39,614 WARN L237 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_7949d33f-cbcf-4529-b297-57c297b5c9a9/sv-benchmarks/c/loop-zilu/benchmark26_linear_abstracted.i[904,917] [2022-12-15 00:01:39,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:01:39,626 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:01:39,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39 WrapperNode [2022-12-15 00:01:39,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:01:39,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:01:39,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:01:39,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:01:39,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,650 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2022-12-15 00:01:39,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:01:39,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:01:39,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:01:39,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:01:39,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,661 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:01:39,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:01:39,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:01:39,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:01:39,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:01:39,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:01:39,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:01:39,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:01:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:01:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:01:39,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:01:39,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:01:39,784 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:01:39,786 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:01:39,878 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:01:39,905 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:01:39,905 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 00:01:39,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:01:39 BoogieIcfgContainer [2022-12-15 00:01:39,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:01:39,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:01:39,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:01:39,919 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:01:39,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:01:39" (1/1) ... [2022-12-15 00:01:39,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:01:39,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:01:39,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 00:01:39,968 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 00:01:39,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:01:39,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:01:39,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:01:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:01:40,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:01:40,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:01:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-12-15 00:01:40,122 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-12-15 00:01:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:01:40,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:01:40,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:01:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:01:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:01:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:01:40,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-12-15 00:01:40,246 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-12-15 00:01:40,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:01:40,247 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2022-12-15 00:01:40,253 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-12-15 00:01:40,270 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:01:40,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:01:40 ImpRootNode [2022-12-15 00:01:40,273 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:01:40,274 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:01:40,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:01:40,274 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:01:40,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:01:39" (3/4) ... [2022-12-15 00:01:40,277 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:01:40,283 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-15 00:01:40,283 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 00:01:40,284 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 00:01:40,284 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:01:40,308 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:01:40,308 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:01:40,309 INFO L158 Benchmark]: Toolchain (without parser) took 837.47ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 60.8MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-15 00:01:40,309 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 144.7MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:01:40,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 154.20ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 96.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:01:40,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.09ms. Allocated memory is still 144.7MB. Free memory was 96.9MB in the beginning and 95.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:01:40,310 INFO L158 Benchmark]: Boogie Preprocessor took 12.66ms. Allocated memory is still 144.7MB. Free memory was 95.6MB in the beginning and 94.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:01:40,311 INFO L158 Benchmark]: RCFGBuilder took 244.31ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 83.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 00:01:40,311 INFO L158 Benchmark]: CodeCheck took 364.65ms. Allocated memory is still 144.7MB. Free memory was 83.4MB in the beginning and 63.3MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-15 00:01:40,311 INFO L158 Benchmark]: Witness Printer took 34.60ms. Allocated memory is still 144.7MB. Free memory was 63.3MB in the beginning and 60.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:01:40,313 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, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 6 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 144.7MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 154.20ms. Allocated memory is still 144.7MB. Free memory was 106.9MB in the beginning and 96.9MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.09ms. Allocated memory is still 144.7MB. Free memory was 96.9MB in the beginning and 95.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.66ms. Allocated memory is still 144.7MB. Free memory was 95.6MB in the beginning and 94.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 244.31ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 83.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 364.65ms. Allocated memory is still 144.7MB. Free memory was 83.4MB in the beginning and 63.3MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 34.60ms. Allocated memory is still 144.7MB. Free memory was 63.3MB in the beginning and 60.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 00:01:40,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7949d33f-cbcf-4529-b297-57c297b5c9a9/bin/ukojak-rkRKPMF4O4/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