./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.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_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/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_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/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_9307fd28-1f91-4b6b-a09f-e1643ebf1713/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 83658644ab59c175befe18129a61686a7f8ef5283dc72c7f2a03865a8223d162 --- 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 16:54:17,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:17,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:17,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:17,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:17,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:17,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:17,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:17,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:17,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:17,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:17,835 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:17,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:17,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:17,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:17,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:17,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:17,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:17,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:17,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:17,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:17,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:17,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:17,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:17,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:17,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:17,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:17,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:17,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:17,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:17,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:17,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:17,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:17,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:17,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:17,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:17,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:17,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:17,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:17,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:17,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:17,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:54:17,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:17,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:17,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:17,911 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:17,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:17,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:17,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:17,913 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:17,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:17,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:17,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:17,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:17,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:17,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:17,915 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:17,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:17,915 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:17,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:17,915 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:17,916 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:17,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:17,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:17,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:17,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:17,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:17,917 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:17,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:17,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:17,918 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_9307fd28-1f91-4b6b-a09f-e1643ebf1713/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83658644ab59c175befe18129a61686a7f8ef5283dc72c7f2a03865a8223d162 [2022-10-17 16:54:18,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:18,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:18,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:18,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:18,289 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:18,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2022-10-17 16:54:18,363 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/data/68de0f489/849d0e4250064fd9882744ab7e9aff31/FLAG0e50ddfbc [2022-10-17 16:54:18,813 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:18,814 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2022-10-17 16:54:18,820 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/data/68de0f489/849d0e4250064fd9882744ab7e9aff31/FLAG0e50ddfbc [2022-10-17 16:54:19,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/data/68de0f489/849d0e4250064fd9882744ab7e9aff31 [2022-10-17 16:54:19,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:19,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:19,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:19,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:19,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:19,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7806ef1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19, skipping insertion in model container [2022-10-17 16:54:19,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:19,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:19,456 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_9307fd28-1f91-4b6b-a09f-e1643ebf1713/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c[555,568] [2022-10-17 16:54:19,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:19,494 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:19,519 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_9307fd28-1f91-4b6b-a09f-e1643ebf1713/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c[555,568] [2022-10-17 16:54:19,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:19,555 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:19,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19 WrapperNode [2022-10-17 16:54:19,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:19,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:19,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:19,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:19,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,590 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 16:54:19,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:19,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:19,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:19,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:19,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,611 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:19,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:19,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:19,621 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:19,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:19" (1/1) ... [2022-10-17 16:54:19,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:19,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:19,661 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:19,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:19,715 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:54:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:54:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:19,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:54:19,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:54:19,792 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:19,795 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:20,006 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:20,043 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:20,044 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:54:20,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:20 BoogieIcfgContainer [2022-10-17 16:54:20,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:20,047 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:20,047 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:20,078 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:20,078 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:20" (1/1) ... [2022-10-17 16:54:20,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:54:20,173 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:54:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:54:20,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:20,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:20,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:54:20,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:54:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:54:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 30 transitions. [2022-10-17 16:54:20,804 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-10-17 16:54:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:54:20,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:20,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:54:20,867 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:54:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:54:20,914 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 16:54:20,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:54:20 ImpRootNode [2022-10-17 16:54:20,965 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:54:20,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:54:20,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:54:20,966 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:54:20,966 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:20" (3/4) ... [2022-10-17 16:54:20,968 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:54:21,015 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:54:21,015 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:54:21,016 INFO L158 Benchmark]: Toolchain (without parser) took 1817.54ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 44.0MB in the beginning and 75.2MB in the end (delta: -31.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:21,017 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:21,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.29ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 57.1MB in the end (delta: -13.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:54:21,019 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.39ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 55.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:54:21,019 INFO L158 Benchmark]: Boogie Preprocessor took 22.13ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 54.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:21,024 INFO L158 Benchmark]: RCFGBuilder took 432.02ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 43.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:54:21,025 INFO L158 Benchmark]: CodeCheck took 917.63ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 43.7MB in the beginning and 77.3MB in the end (delta: -33.7MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2022-10-17 16:54:21,026 INFO L158 Benchmark]: Witness Printer took 49.90ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:54:21,040 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 14 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 2 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 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<=2) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L26] RET assume_abort_if_not(z>=0 && z<=2) VAL [z=0] [L27] k = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(k>=0 && k<=2) VAL [\old(cond)=1] [L13] COND FALSE !(!cond) [L28] RET assume_abort_if_not(k>=0 && k<=2) 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 0.38ms. Allocated memory is still 83.9MB. Free memory is still 60.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.29ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 57.1MB in the end (delta: -13.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.39ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 55.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.13ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 54.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.02ms. Allocated memory is still 83.9MB. Free memory was 54.4MB in the beginning and 43.7MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 917.63ms. Allocated memory was 83.9MB in the beginning and 117.4MB in the end (delta: 33.6MB). Free memory was 43.7MB in the beginning and 77.3MB in the end (delta: -33.7MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 49.90ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.2MB 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 16:54:21,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9307fd28-1f91-4b6b-a09f-e1643ebf1713/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