./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark25_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark25_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg --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 1130d3df8d11f3be805af96558350a1bd8faf89323cc035b32267e4a54793a8c --- 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-b5237d8 [2022-11-21 21:52:24,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:52:24,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:52:24,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:52:24,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:52:24,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:52:24,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:52:24,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:52:24,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:52:24,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:52:24,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:52:24,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:52:24,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:52:24,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:52:24,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:52:24,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:52:25,001 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:52:25,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:52:25,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:52:25,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:52:25,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:52:25,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:52:25,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:52:25,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:52:25,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:52:25,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:52:25,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:52:25,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:52:25,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:52:25,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:52:25,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:52:25,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:52:25,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:52:25,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:52:25,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:52:25,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:52:25,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:52:25,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:52:25,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:52:25,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:52:25,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:52:25,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 21:52:25,054 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:52:25,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:52:25,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:52:25,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:52:25,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:52:25,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:52:25,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:52:25,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:52:25,057 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:52:25,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:52:25,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:52:25,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:52:25,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:52:25,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:52:25,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:52:25,058 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:52:25,059 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:52:25,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:52:25,059 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:52:25,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:52:25,059 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:52:25,060 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:52:25,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:52:25,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:52:25,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:52:25,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:52:25,061 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:52:25,061 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:52:25,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:52:25,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:52:25,061 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_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1130d3df8d11f3be805af96558350a1bd8faf89323cc035b32267e4a54793a8c [2022-11-21 21:52:25,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:52:25,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:52:25,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:52:25,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:52:25,360 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:52:25,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/loop-zilu/benchmark25_linear.i [2022-11-21 21:52:28,318 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:52:28,484 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:52:28,485 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/sv-benchmarks/c/loop-zilu/benchmark25_linear.i [2022-11-21 21:52:28,490 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/data/6b22d2460/f5120774d9c94bd78e4876604276bb42/FLAG452cf9bb5 [2022-11-21 21:52:28,504 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/data/6b22d2460/f5120774d9c94bd78e4876604276bb42 [2022-11-21 21:52:28,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:52:28,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:52:28,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:52:28,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:52:28,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:52:28,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e66cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28, skipping insertion in model container [2022-11-21 21:52:28,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:52:28,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:52:28,674 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_39488847-c4e6-441b-88ab-d3d88bafe8a6/sv-benchmarks/c/loop-zilu/benchmark25_linear.i[868,881] [2022-11-21 21:52:28,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:52:28,689 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:52:28,701 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_39488847-c4e6-441b-88ab-d3d88bafe8a6/sv-benchmarks/c/loop-zilu/benchmark25_linear.i[868,881] [2022-11-21 21:52:28,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:52:28,716 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:52:28,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28 WrapperNode [2022-11-21 21:52:28,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:52:28,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:52:28,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:52:28,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:52:28,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,731 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,745 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2022-11-21 21:52:28,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:52:28,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:52:28,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:52:28,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:52:28,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,760 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,761 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:52:28,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:52:28,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:52:28,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:52:28,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:28" (1/1) ... [2022-11-21 21:52:28,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:52:28,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:52:28,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:52:28,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:52:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:52:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:52:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:52:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:52:28,907 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:52:28,909 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:52:29,063 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:52:29,117 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:52:29,117 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 21:52:29,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:52:29 BoogieIcfgContainer [2022-11-21 21:52:29,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:52:29,121 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:52:29,121 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:52:29,132 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:52:29,132 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:52:29" (1/1) ... [2022-11-21 21:52:29,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:52:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2022-11-21 21:52:29,259 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2022-11-21 21:52:29,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 21:52:29,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:29,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:52:29,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:29,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2022-11-21 21:52:29,525 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2022-11-21 21:52:29,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 21:52:29,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:29,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:52:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:29,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-11-21 21:52:29,672 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-11-21 21:52:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 21:52:29,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:29,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 21:52:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-11-21 21:52:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-11-21 21:52:29,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 21:52:29,759 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-11-21 21:52:29,767 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-21 21:52:29,815 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 21:52:29,818 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2022-11-21 21:52:29,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:52:29 ImpRootNode [2022-11-21 21:52:29,838 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:52:29,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:52:29,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:52:29,840 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:52:29,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:52:29" (3/4) ... [2022-11-21 21:52:29,844 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 21:52:29,852 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 21:52:29,854 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 21:52:29,855 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 21:52:29,855 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 21:52:29,892 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:52:29,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:52:29,893 INFO L158 Benchmark]: Toolchain (without parser) took 1384.60ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 75.3MB in the beginning and 100.4MB in the end (delta: -25.2MB). Peak memory consumption was 918.8kB. Max. memory is 16.1GB. [2022-11-21 21:52:29,894 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:52:29,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.68ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 65.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 21:52:29,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.30ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:52:29,895 INFO L158 Benchmark]: Boogie Preprocessor took 15.72ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:52:29,896 INFO L158 Benchmark]: RCFGBuilder took 357.00ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 52.5MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 21:52:29,896 INFO L158 Benchmark]: CodeCheck took 717.88ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 52.2MB in the beginning and 103.2MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:52:29,897 INFO L158 Benchmark]: Witness Printer took 52.79ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 21:52:29,900 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, 9 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 6 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: 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: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 <= x + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.68ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 65.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.30ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 63.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.72ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.00ms. Allocated memory is still 117.4MB. Free memory was 62.7MB in the beginning and 52.5MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 717.88ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 52.2MB in the beginning and 103.2MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 52.79ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 100.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 21:52:29,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39488847-c4e6-441b-88ab-d3d88bafe8a6/bin/ukojak-jW3SillKbg/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