./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark28_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark28_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6ae2199bb6fa83eaf4308cd5efdb4548717730ae3e0982f71a81ddeaf867424 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:54:52,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:54:52,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:54:52,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:54:52,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:54:52,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:54:52,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:54:52,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:54:52,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:54:52,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:54:52,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:54:52,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:54:52,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:54:52,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:54:52,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:54:52,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:54:52,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:54:52,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:54:52,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:54:52,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:54:52,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:54:52,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:54:52,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:54:52,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:54:52,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:54:52,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:54:52,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:54:52,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:54:52,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:54:52,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:54:52,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:54:52,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:54:52,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:54:52,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:54:52,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:54:52,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:54:52,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:54:52,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:54:52,930 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:54:52,931 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:54:52,932 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:54:52,933 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:54:52,980 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:54:52,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:54:52,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:54:52,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:54:52,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:54:52,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:54:52,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:54:52,984 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:54:52,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:54:52,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:54:52,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:54:52,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:54:52,986 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:54:52,986 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:54:52,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:54:52,987 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:54:52,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:54:52,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:54:52,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:54:52,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:54:52,988 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:54:52,988 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:54:52,989 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:54:52,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:52,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:54:52,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:54:52,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:54:52,990 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:54:52,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:54:52,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:54:52,991 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_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6ae2199bb6fa83eaf4308cd5efdb4548717730ae3e0982f71a81ddeaf867424 [2022-11-20 16:54:53,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:54:53,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:54:53,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:54:53,356 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:54:53,356 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:54:53,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/loop-zilu/benchmark28_linear.i [2022-11-20 16:54:56,352 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:54:56,543 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:54:56,544 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/sv-benchmarks/c/loop-zilu/benchmark28_linear.i [2022-11-20 16:54:56,550 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/data/869b76412/9102178f5d2d40769aa7d3301bd113e2/FLAGcfd06ac78 [2022-11-20 16:54:56,563 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/data/869b76412/9102178f5d2d40769aa7d3301bd113e2 [2022-11-20 16:54:56,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:54:56,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:54:56,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:56,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:54:56,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:54:56,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5010782e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56, skipping insertion in model container [2022-11-20 16:54:56,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:54:56,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:56,738 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_44cc96ea-8da9-4c29-a90a-2e0892a53292/sv-benchmarks/c/loop-zilu/benchmark28_linear.i[868,881] [2022-11-20 16:54:56,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:56,756 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:54:56,784 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_44cc96ea-8da9-4c29-a90a-2e0892a53292/sv-benchmarks/c/loop-zilu/benchmark28_linear.i[868,881] [2022-11-20 16:54:56,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:56,803 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:54:56,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56 WrapperNode [2022-11-20 16:54:56,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:56,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:56,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:54:56,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:54:56,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,856 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-11-20 16:54:56,857 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:56,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:54:56,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:54:56,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:54:56,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,872 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:54:56,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:54:56,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:54:56,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:54:56,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:56" (1/1) ... [2022-11-20 16:54:56,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:56,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:54:56,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:54:56,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:54:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:54:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:54:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:54:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:54:57,043 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:54:57,045 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:54:57,288 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:54:57,315 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:54:57,315 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 16:54:57,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:57 BoogieIcfgContainer [2022-11-20 16:54:57,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:54:57,319 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:54:57,319 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:54:57,330 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:54:57,330 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:57" (1/1) ... [2022-11-20 16:54:57,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:54:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2022-11-20 16:54:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-11-20 16:54:57,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 16:54:57,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:57,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:54:57,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 16:54:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 16:54:57,597 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-11-20 16:54:57,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:54:57 ImpRootNode [2022-11-20 16:54:57,646 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:54:57,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:54:57,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:54:57,647 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:54:57,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:57" (3/4) ... [2022-11-20 16:54:57,649 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 16:54:57,679 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:54:57,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:54:57,680 INFO L158 Benchmark]: Toolchain (without parser) took 1112.22ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 74.9MB in the beginning and 111.8MB in the end (delta: -36.9MB). Peak memory consumption was 590.8kB. Max. memory is 16.1GB. [2022-11-20 16:54:57,681 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:57,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.04ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 74.6MB in the beginning and 134.1MB in the end (delta: -59.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:54:57,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.56ms. Allocated memory is still 163.6MB. Free memory was 134.1MB in the beginning and 136.2MB in the end (delta: -2.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2022-11-20 16:54:57,683 INFO L158 Benchmark]: Boogie Preprocessor took 17.05ms. Allocated memory is still 163.6MB. Free memory was 136.2MB in the beginning and 134.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:57,683 INFO L158 Benchmark]: RCFGBuilder took 442.91ms. Allocated memory is still 163.6MB. Free memory was 134.9MB in the beginning and 123.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:54:57,684 INFO L158 Benchmark]: CodeCheck took 326.89ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 113.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 16:54:57,685 INFO L158 Benchmark]: Witness Printer took 32.93ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 111.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:57,688 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, 30 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int j = __VERIFIER_nondet_int(); [L22] i * i VAL [i=-2147482588, j=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.04ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 74.6MB in the beginning and 134.1MB in the end (delta: -59.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.56ms. Allocated memory is still 163.6MB. Free memory was 134.1MB in the beginning and 136.2MB in the end (delta: -2.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.05ms. Allocated memory is still 163.6MB. Free memory was 136.2MB in the beginning and 134.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.91ms. Allocated memory is still 163.6MB. Free memory was 134.9MB in the beginning and 123.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 326.89ms. Allocated memory is still 163.6MB. Free memory was 123.0MB in the beginning and 113.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 32.93ms. Allocated memory is still 163.6MB. Free memory was 113.2MB in the beginning and 111.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-11-20 16:54:57,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44cc96ea-8da9-4c29-a90a-2e0892a53292/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)