./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97bfd47a763eadf3b0af2f8e585b7163ffc0c68bcbafc8205f8cd9e774a99e69 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:43:43,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:43:43,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:43:43,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:43:43,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:43:43,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:43:43,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:43:43,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:43:43,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:43:43,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:43:43,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:43:43,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:43:43,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:43:43,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:43:43,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:43:43,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:43:43,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:43:43,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:43:43,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:43:43,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:43:43,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:43:43,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:43:43,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:43:43,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:43:43,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:43:43,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:43:43,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:43:43,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:43:43,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:43:43,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:43:43,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:43:43,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:43:43,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:43:43,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:43:43,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:43:43,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:43:43,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:43:43,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:43:43,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:43:43,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:43:43,316 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:43:43,317 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:43:43,341 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:43:43,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:43:43,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:43:43,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:43:43,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:43:43,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:43:43,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:43:43,345 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:43:43,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:43:43,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:43:43,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:43:43,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:43:43,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:43:43,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:43:43,347 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:43:43,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:43:43,348 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:43:43,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:43:43,348 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:43:43,348 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:43:43,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:43:43,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:43,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:43:43,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:43:43,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:43:43,350 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:43:43,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:43:43,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:43:43,351 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_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97bfd47a763eadf3b0af2f8e585b7163ffc0c68bcbafc8205f8cd9e774a99e69 [2022-10-17 16:43:43,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:43:43,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:43:43,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:43:43,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:43:43,674 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:43:43,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c [2022-10-17 16:43:43,739 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/data/91280ce12/2f43e892f4e1439993c7b102fc1d92f8/FLAG851c04e10 [2022-10-17 16:43:44,285 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:43:44,286 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c [2022-10-17 16:43:44,293 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/data/91280ce12/2f43e892f4e1439993c7b102fc1d92f8/FLAG851c04e10 [2022-10-17 16:43:44,626 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/data/91280ce12/2f43e892f4e1439993c7b102fc1d92f8 [2022-10-17 16:43:44,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:43:44,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:43:44,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:44,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:43:44,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:43:44,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795fe050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44, skipping insertion in model container [2022-10-17 16:43:44,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:43:44,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:43:44,867 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c[555,568] [2022-10-17 16:43:44,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:44,902 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:43:44,916 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/sv-benchmarks/c/nla-digbench-scaling/geo1-u_unwindbound10.c[555,568] [2022-10-17 16:43:44,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:43:44,947 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:43:44,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44 WrapperNode [2022-10-17 16:43:44,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:43:44,949 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:44,949 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:43:44,951 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:43:44,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,989 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2022-10-17 16:43:44,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:43:44,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:43:44,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:43:44,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:43:44,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:44,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:45,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:45,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:45,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:45,008 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:45,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:45,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:43:45,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:43:45,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:43:45,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:43:45,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:43:44" (1/1) ... [2022-10-17 16:43:45,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:43:45,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:43:45,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:43:45,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:43:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:43:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:43:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:43:45,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:43:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:43:45,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:43:45,187 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:43:45,190 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:43:45,418 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:43:45,442 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:43:45,442 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:43:45,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:45 BoogieIcfgContainer [2022-10-17 16:43:45,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:43:45,447 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:43:45,447 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:43:45,458 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:43:45,458 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:45" (1/1) ... [2022-10-17 16:43:45,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:43:45,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2022-10-17 16:43:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2022-10-17 16:43:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:43:45,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:45,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:45,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:45,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:43:45,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:45,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2022-10-17 16:43:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-10-17 16:43:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:43:45,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:45,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:45,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:43:45,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:46,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 16:43:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:43:46,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:43:46,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:46,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:43:46,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:43:46,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:43:46,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:43:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:43:46,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2022-10-17 16:43:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2022-10-17 16:43:46,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:43:46,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:43:46,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:43:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:43:46,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:43:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:43:46,775 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-10-17 16:43:46,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:43:46 ImpRootNode [2022-10-17 16:43:46,827 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:43:46,829 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:43:46,829 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:43:46,830 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:43:46,830 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:43:45" (3/4) ... [2022-10-17 16:43:46,832 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:43:46,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:43:46,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:43:46,888 INFO L158 Benchmark]: Toolchain (without parser) took 2256.97ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 67.0MB in the beginning and 68.1MB in the end (delta: -1.1MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-10-17 16:43:46,889 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:46,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.53ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 67.7MB in the end (delta: -914.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:43:46,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.40ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 66.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:43:46,891 INFO L158 Benchmark]: Boogie Preprocessor took 20.86ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 65.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:46,891 INFO L158 Benchmark]: RCFGBuilder took 433.98ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 54.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:43:46,892 INFO L158 Benchmark]: CodeCheck took 1381.05ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 54.9MB in the beginning and 70.2MB in the end (delta: -15.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2022-10-17 16:43:46,893 INFO L158 Benchmark]: Witness Printer took 58.07ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:43:46,896 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 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 56 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 1 NumberOfNonLiveVariables, 141 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=0, z=0] [L33] EXPR counter++ VAL [c=1, counter=1, counter++=0, x=1, y=0, z=0] [L33] COND TRUE counter++<10 [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=0, z=0] [L36] COND TRUE !(c < k) VAL [c=1, counter=1, k=0, x=1, y=0, z=0] [L45] x = x * (z - 1) VAL [c=1, counter=1, k=0, x=4294967295, y=0, z=0] [L47] CALL __VERIFIER_assert(1 + x - y == 0) VAL [\old(cond)=0, counter=1] [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=1] [L18] reach_error() VAL [\old(cond)=0, cond=0, counter=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory is still 46.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.53ms. Allocated memory is still 92.3MB. Free memory was 66.8MB in the beginning and 67.7MB in the end (delta: -914.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.40ms. Allocated memory is still 92.3MB. Free memory was 67.7MB in the beginning and 66.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.86ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 65.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 433.98ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 54.9MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 1381.05ms. Allocated memory was 92.3MB in the beginning and 117.4MB in the end (delta: 25.2MB). Free memory was 54.9MB in the beginning and 70.2MB in the end (delta: -15.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 58.07ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 68.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:43:46,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7f0c8f-f8d7-482d-955e-cd322a8dc303/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE