./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 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/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_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-14 22:04:05,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:04:05,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:04:05,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:04:05,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:04:05,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:04:05,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:04:05,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:04:05,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:04:05,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:04:05,718 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:04:05,719 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:04:05,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:04:05,720 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:04:05,721 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:04:05,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:04:05,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:04:05,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:04:05,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:04:05,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:04:05,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:04:05,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:04:05,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:04:05,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:04:05,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:04:05,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:04:05,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:04:05,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:04:05,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:04:05,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:04:05,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:04:05,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:04:05,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:04:05,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:04:05,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:04:05,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:04:05,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:04:05,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:04:05,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:04:05,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:04:05,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:04:05,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 22:04:05,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:04:05,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:04:05,767 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:04:05,767 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:04:05,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:04:05,768 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:04:05,768 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:04:05,769 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 22:04:05,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:04:05,769 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 22:04:05,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:04:05,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:04:05,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:04:05,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:04:05,770 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 22:04:05,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:04:05,770 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:04:05,770 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:04:05,771 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:04:05,771 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:04:05,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:04:05,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:04:05,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:04:05,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:04:05,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:04:05,772 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:04:05,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:04:05,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:04:05,772 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_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83658644ab59c175befe18129a61686a7f8ef5283dc72c7f2a03865a8223d162 [2022-12-14 22:04:05,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:04:05,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:04:05,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:04:05,985 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:04:05,985 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:04:05,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2022-12-14 22:04:08,598 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:04:08,751 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:04:08,751 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c [2022-12-14 22:04:08,757 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/data/17004c1ce/7a67b69564354e878e5462ec563729c8/FLAGaaa6ce6b5 [2022-12-14 22:04:08,770 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/data/17004c1ce/7a67b69564354e878e5462ec563729c8 [2022-12-14 22:04:08,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:04:08,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:04:08,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:04:08,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:04:08,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:04:08,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193ba672 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08, skipping insertion in model container [2022-12-14 22:04:08,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:04:08,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:04:08,901 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c[555,568] [2022-12-14 22:04:08,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:04:08,918 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:04:08,926 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/sv-benchmarks/c/nla-digbench-scaling/geo1-u_valuebound2.c[555,568] [2022-12-14 22:04:08,929 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:04:08,939 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:04:08,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08 WrapperNode [2022-12-14 22:04:08,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:04:08,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:04:08,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:04:08,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:04:08,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,962 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-12-14 22:04:08,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:04:08,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:04:08,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:04:08,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:04:08,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,975 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:04:08,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:04:08,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:04:08,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:04:08,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:04:08" (1/1) ... [2022-12-14 22:04:08,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:04:08,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:04:08,999 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:04:09,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:04:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:04:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 22:04:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 22:04:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:04:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:04:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:04:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 22:04:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 22:04:09,082 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:04:09,084 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:04:09,173 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:04:09,189 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:04:09,190 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 22:04:09,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:04:09 BoogieIcfgContainer [2022-12-14 22:04:09,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:04:09,193 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:04:09,193 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:04:09,201 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:04:09,202 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:04:09" (1/1) ... [2022-12-14 22:04:09,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:04:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:09,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-12-14 22:04:09,258 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-14 22:04:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:04:09,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:09,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:04:09,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 22:04:09,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:04:09,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 22:04:09,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:04:09,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 30 transitions. [2022-12-14 22:04:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-12-14 22:04:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 22:04:09,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:04:09,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:04:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:04:09,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 22:04:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 22:04:09,719 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-14 22:04:09,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:04:09 ImpRootNode [2022-12-14 22:04:09,737 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:04:09,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:04:09,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:04:09,738 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:04:09,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:04:09" (3/4) ... [2022-12-14 22:04:09,739 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-14 22:04:09,772 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:04:09,772 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:04:09,773 INFO L158 Benchmark]: Toolchain (without parser) took 998.72ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 91.2MB in the beginning and 140.4MB in the end (delta: -49.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-12-14 22:04:09,773 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:04:09,774 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.20ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 80.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 22:04:09,775 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.18ms. Allocated memory is still 123.7MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:04:09,775 INFO L158 Benchmark]: Boogie Preprocessor took 13.76ms. Allocated memory is still 123.7MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 983.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:04:09,776 INFO L158 Benchmark]: RCFGBuilder took 215.39ms. Allocated memory is still 123.7MB. Free memory was 78.3MB in the beginning and 67.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 22:04:09,776 INFO L158 Benchmark]: CodeCheck took 544.26ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 67.3MB in the beginning and 142.5MB in the end (delta: -75.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:04:09,777 INFO L158 Benchmark]: Witness Printer took 34.77ms. Allocated memory is still 180.4MB. Free memory was 142.5MB in the beginning and 140.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:04:09,779 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, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 2 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 15 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=-4294967296] [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=-4294967296] [L30] x = 1 [L31] y = z [L32] c = 1 VAL [c=1, k=0, x=1, y=0, z=-4294967296] [L34] COND TRUE 1 VAL [c=1, k=0, x=1, y=0, z=-4294967296] [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=-4294967296] [L37] COND TRUE !(c < k) VAL [c=1, k=0, x=1, y=0, z=-4294967296] [L46] x = x * (z - 1) VAL [c=1, k=0, x=4294967295, y=0, z=-4294967296] [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 0.18ms. Allocated memory is still 123.7MB. Free memory was 88.7MB in the beginning and 88.6MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.20ms. Allocated memory is still 123.7MB. Free memory was 91.2MB in the beginning and 80.8MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.18ms. Allocated memory is still 123.7MB. Free memory was 80.8MB in the beginning and 79.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.76ms. Allocated memory is still 123.7MB. Free memory was 79.3MB in the beginning and 78.3MB in the end (delta: 983.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 215.39ms. Allocated memory is still 123.7MB. Free memory was 78.3MB in the beginning and 67.3MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 544.26ms. Allocated memory was 123.7MB in the beginning and 180.4MB in the end (delta: 56.6MB). Free memory was 67.3MB in the beginning and 142.5MB in the end (delta: -75.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 34.77ms. Allocated memory is still 180.4MB. Free memory was 142.5MB in the beginning and 140.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-14 22:04:09,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1818c03f-995f-4336-97e8-41c43bbb9fa3/bin/ukojak-rkRKPMF4O4/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