./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.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_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/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_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/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_09e3925a-6de6-4b7c-9099-cb6280e28faf/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 19f012d1196298e1f96209f85f7789e5e4a3317d14bda6693f5031f7a8a701f8 --- 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 17:01:01,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:01,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:01,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:01,246 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:01,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:01,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:01,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:01,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:01,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:01,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:01,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:01,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:01,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:01,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:01,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:01,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:01,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:01,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:01,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:01,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:01,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:01,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:01,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:01,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:01,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:01,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:01,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:01,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:01,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:01,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:01,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:01,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:01,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:01,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:01,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:01,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:01,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:01,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:01,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:01,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:01,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:01,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:01,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:01,367 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:01,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:01,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:01,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:01,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:01,369 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:01,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:01,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:01,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:01,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:01,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:01,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:01,371 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:01,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:01,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:01,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:01,372 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:01,372 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:01,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:01,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:01,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:01,373 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:01,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:01,373 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:01,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:01,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:01,374 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_09e3925a-6de6-4b7c-9099-cb6280e28faf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19f012d1196298e1f96209f85f7789e5e4a3317d14bda6693f5031f7a8a701f8 [2022-10-17 17:01:01,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:01,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:01,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:01,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:01,666 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:01,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2022-10-17 17:01:01,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/data/e07a3be9e/f5948eac78514fdd9b1ec61bb7a1f755/FLAG1b46c1964 [2022-10-17 17:01:02,175 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:02,176 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c [2022-10-17 17:01:02,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/data/e07a3be9e/f5948eac78514fdd9b1ec61bb7a1f755/FLAG1b46c1964 [2022-10-17 17:01:02,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/data/e07a3be9e/f5948eac78514fdd9b1ec61bb7a1f755 [2022-10-17 17:01:02,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:02,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:02,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:02,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:02,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:02,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7121692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02, skipping insertion in model container [2022-10-17 17:01:02,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:02,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:02,815 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_09e3925a-6de6-4b7c-9099-cb6280e28faf/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c[555,568] [2022-10-17 17:01:02,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:02,840 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:02,853 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_09e3925a-6de6-4b7c-9099-cb6280e28faf/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound50.c[555,568] [2022-10-17 17:01:02,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:02,872 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:02,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02 WrapperNode [2022-10-17 17:01:02,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:02,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:02,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:02,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:02,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,906 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 17:01:02,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:02,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:02,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:02,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:02,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,918 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,927 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:02,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:02,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:02,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:02,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:02" (1/1) ... [2022-10-17 17:01:02,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:02,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:02,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:02,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:01:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:01:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:01:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:01:03,074 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:03,076 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:03,203 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:03,227 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:03,227 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:01:03,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:03 BoogieIcfgContainer [2022-10-17 17:01:03,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:03,231 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:03,231 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:03,242 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:03,242 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:03" (1/1) ... [2022-10-17 17:01:03,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:03,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 17:01:03,307 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 17:01:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:01:03,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:03,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:03,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:03,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:01:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2022-10-17 17:01:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-10-17 17:01:03,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:01:03,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:03,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:03,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:01:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:01:03,764 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 17:01:03,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:01:03 ImpRootNode [2022-10-17 17:01:03,795 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:01:03,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:01:03,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:01:03,796 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:01:03,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:03" (3/4) ... [2022-10-17 17:01:03,799 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:01:03,850 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:01:03,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:01:03,851 INFO L158 Benchmark]: Toolchain (without parser) took 1277.69ms. Allocated memory is still 104.9MB. Free memory was 63.5MB in the beginning and 40.8MB in the end (delta: 22.8MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2022-10-17 17:01:03,852 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 80.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:03,853 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.65ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 79.8MB in the end (delta: -16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:01:03,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.59ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:01:03,855 INFO L158 Benchmark]: Boogie Preprocessor took 22.34ms. Allocated memory is still 104.9MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:03,856 INFO L158 Benchmark]: RCFGBuilder took 299.59ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 66.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:01:03,856 INFO L158 Benchmark]: CodeCheck took 564.36ms. Allocated memory is still 104.9MB. Free memory was 66.3MB in the beginning and 42.5MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:03,857 INFO L158 Benchmark]: Witness Printer took 54.61ms. Allocated memory is still 104.9MB. Free memory was 42.5MB in the beginning and 40.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:01:03,861 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 13 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 1 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] unsigned int z, k; [L24] long long x, y, c; [L25] z = __VERIFIER_nondet_uint() [L26] CALL assume_abort_if_not(z>=0 && z<=50) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L26] RET assume_abort_if_not(z>=0 && z<=50) VAL [z=0] [L27] k = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(k>=0 && k<=50) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L28] RET assume_abort_if_not(k>=0 && k<=50) VAL [k=0, z=0] [L30] x = 1 [L31] y = z [L32] c = 1 VAL [c=1, k=0, x=1, y=0, z=0] [L34] COND TRUE 1 VAL [c=1, k=0, x=1, y=0, z=0] [L35] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [\old(cond)=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L35] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, k=0, x=1, y=0, z=0] [L37] COND TRUE !(c < k) VAL [c=1, k=0, x=1, y=0, z=0] [L46] x = x * (z - 1) VAL [c=1, k=0, x=4294967295, y=0, z=0] [L48] CALL __VERIFIER_assert(1 + x - y == 0) VAL [\old(cond)=0] [L16] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L18] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory was 80.1MB in the beginning and 80.0MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.65ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 79.8MB in the end (delta: -16.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.59ms. Allocated memory is still 104.9MB. Free memory was 79.8MB in the beginning and 78.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.34ms. Allocated memory is still 104.9MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.59ms. Allocated memory is still 104.9MB. Free memory was 77.3MB in the beginning and 66.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 564.36ms. Allocated memory is still 104.9MB. Free memory was 66.3MB in the beginning and 42.5MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 54.61ms. Allocated memory is still 104.9MB. Free memory was 42.5MB in the beginning and 40.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:01:03,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09e3925a-6de6-4b7c-9099-cb6280e28faf/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