./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test23-1.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_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/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_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test23-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/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_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/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 4c2b7377d2b430a15e16457512411598a883b6588c528bba211e64f887de4d8e --- 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 16:48:38,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:38,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:38,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:38,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:38,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:38,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:38,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:38,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:38,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:38,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:38,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:38,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:38,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:38,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:38,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:38,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:38,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:38,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:38,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:38,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:38,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:38,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:38,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:38,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:38,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:38,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:38,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:38,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:38,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:38,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:38,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:38,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:38,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:38,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:38,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:38,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:38,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:38,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:38,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:38,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:38,184 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:38,219 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:38,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:38,220 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:38,220 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:38,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:38,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:38,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:38,222 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:38,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:38,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:38,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:38,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:38,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:38,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:38,224 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:38,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:38,224 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:38,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:38,224 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:38,225 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:38,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:38,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:38,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:38,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:38,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:38,226 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:38,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:38,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:38,227 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_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c2b7377d2b430a15e16457512411598a883b6588c528bba211e64f887de4d8e [2022-10-17 16:48:38,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:38,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:38,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:38,549 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:38,549 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:38,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-regression/test23-1.c [2022-10-17 16:48:38,616 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/data/9906e274a/70ac87c572fb4970966e533c252603c1/FLAG94bb1b517 [2022-10-17 16:48:39,089 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:39,092 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/sv-benchmarks/c/ldv-regression/test23-1.c [2022-10-17 16:48:39,099 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/data/9906e274a/70ac87c572fb4970966e533c252603c1/FLAG94bb1b517 [2022-10-17 16:48:39,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/data/9906e274a/70ac87c572fb4970966e533c252603c1 [2022-10-17 16:48:39,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:39,465 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:39,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:39,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:39,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:39,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f11bab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39, skipping insertion in model container [2022-10-17 16:48:39,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:39,500 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:39,707 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_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/sv-benchmarks/c/ldv-regression/test23-1.c[1075,1088] [2022-10-17 16:48:39,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:39,721 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:39,741 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_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/sv-benchmarks/c/ldv-regression/test23-1.c[1075,1088] [2022-10-17 16:48:39,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:39,763 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:39,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39 WrapperNode [2022-10-17 16:48:39,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:39,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:39,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:39,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:39,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,823 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2022-10-17 16:48:39,824 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:39,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:39,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:39,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:39,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,848 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,853 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:39,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:39,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:39,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:39,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:39" (1/1) ... [2022-10-17 16:48:39,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:39,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:39,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:39,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:48:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2022-10-17 16:48:39,947 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2022-10-17 16:48:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:48:40,023 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:40,025 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:40,334 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:40,396 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:40,397 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:48:40,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:40 BoogieIcfgContainer [2022-10-17 16:48:40,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:40,400 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:40,401 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:40,418 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:40,418 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:40" (1/1) ... [2022-10-17 16:48:40,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:40,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 16:48:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 16:48:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:48:40,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:40,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:40,829 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 16:48:40,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2022-10-17 16:48:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-10-17 16:48:40,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:48:40,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:40,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:41,564 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 16:48:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:41,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:48:41,635 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:48:41,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:48:41,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:41,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:42,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-10-17 16:48:42,174 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-10-17 16:48:42,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:48:42,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:42,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:42,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:42,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-10-17 16:48:42,975 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-10-17 16:48:42,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:48:42,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:42,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:43,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:43,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-10-17 16:48:43,812 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-10-17 16:48:43,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:48:43,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:43,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:44,128 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:44,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:44,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-10-17 16:48:44,670 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-10-17 16:48:44,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:48:44,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:44,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:45,096 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:45,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2022-10-17 16:48:45,725 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2022-10-17 16:48:45,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:48:45,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:45,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:46,076 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:46,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2022-10-17 16:48:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2022-10-17 16:48:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:48:46,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:46,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:47,181 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:47,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2022-10-17 16:48:47,964 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-10-17 16:48:47,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:48:47,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:47,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:49,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:49,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2022-10-17 16:48:49,218 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2022-10-17 16:48:49,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:48:49,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:49,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:50,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2022-10-17 16:48:50,075 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2022-10-17 16:48:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:48:50,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:50,376 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:48:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:50,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2022-10-17 16:48:50,881 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2022-10-17 16:48:50,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:48:50,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:50,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:48:50,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:48:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:48:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:48:51,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:48:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:48:51,101 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2022-10-17 16:48:51,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:48:51 ImpRootNode [2022-10-17 16:48:51,184 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:48:51,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:48:51,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:48:51,184 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:48:51,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:40" (3/4) ... [2022-10-17 16:48:51,187 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:48:51,327 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:48:51,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:48:51,328 INFO L158 Benchmark]: Toolchain (without parser) took 11862.82ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 54.4MB in the beginning and 132.4MB in the end (delta: -78.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:51,328 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:51,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 298.58ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 65.5MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:48:51,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.33ms. Allocated memory is still 90.2MB. Free memory was 65.5MB in the beginning and 63.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:51,330 INFO L158 Benchmark]: Boogie Preprocessor took 28.87ms. Allocated memory is still 90.2MB. Free memory was 63.6MB in the beginning and 62.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:51,330 INFO L158 Benchmark]: RCFGBuilder took 545.52ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 47.3MB in the end (delta: 15.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 16:48:51,331 INFO L158 Benchmark]: CodeCheck took 10783.12ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 47.3MB in the beginning and 136.6MB in the end (delta: -89.3MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2022-10-17 16:48:51,331 INFO L158 Benchmark]: Witness Printer took 142.96ms. Allocated memory is still 163.6MB. Free memory was 136.6MB in the beginning and 132.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:48:51,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 533 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 369 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1000 IncrementalHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 369 mSolverCounterUnsat, 168 mSDtfsCounter, 1000 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1992 GetRequests, 1800 SyntacticMatches, 46 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9042 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 277 ConstructedInterpolants, 0 QuantifiedInterpolants, 1359 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 24/464 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: 52]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L12] struct dummy d1, d2; [L35] CALL init() [L16] d1.a = __VERIFIER_nondet_int() [L17] d1.b = __VERIFIER_nondet_int() [L19] d2.a = __VERIFIER_nondet_int() [L20] d2.b = __VERIFIER_nondet_int() [L35] RET init() [L36] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L25] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L25] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L36] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, get_dummy()={5:0}] [L36] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L36] CALL, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}] [L25] EXPR __VERIFIER_nondet_bool() ? &d1 : &d2 [L25] return (__VERIFIER_nondet_bool() ? &d1 : &d2); [L36] RET, EXPR get_dummy() VAL [d1={4:0}, d2={5:0}, get_dummy()={5:0}, pd1={5:0}] [L36] struct dummy *pd1 = get_dummy(), *pd2 = get_dummy(); [L37] int i = __VERIFIER_nondet_int(); [L38] COND TRUE pd1 != 0 && pd1 == pd2 && i >= 0 && i < 10 [L39] pd2->array[i] = i [L40] int *pa = &pd1->array[i]; [L41] EXPR pd2->array[i] [L41] i = pd2->array[i] - 10 [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=-1, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=0, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=0, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=1, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=1, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=2, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=2, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=3, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=3, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=4, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=4, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=5, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=5, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=6, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=6, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=7, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=7, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=8, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=8, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=9, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=9, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND TRUE i <= *pa [L43] ++i VAL [d1={4:0}, d2={5:0}, i=10, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] EXPR \read(*pa) VAL [\read(*pa)=9, d1={4:0}, d2={5:0}, i=10, pa={5:44}, pd1={5:0}, pd2={5:0}] [L42] COND FALSE !(i <= *pa) [L45] CALL, EXPR check(pd2, i) [L30] EXPR s1->array[i] [L30] return s1->array[i] == i; [L45] RET, EXPR check(pd2, i) [L45] COND TRUE !check(pd2, i) [L52] reach_error() VAL [d1={4:0}, d2={5:0}, i=10, pa={5:44}, pd1={5:0}, pd2={5:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 90.2MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 298.58ms. Allocated memory is still 90.2MB. Free memory was 54.2MB in the beginning and 65.5MB in the end (delta: -11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.33ms. Allocated memory is still 90.2MB. Free memory was 65.5MB in the beginning and 63.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.87ms. Allocated memory is still 90.2MB. Free memory was 63.6MB in the beginning and 62.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 545.52ms. Allocated memory is still 90.2MB. Free memory was 62.4MB in the beginning and 47.3MB in the end (delta: 15.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10783.12ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 47.3MB in the beginning and 136.6MB in the end (delta: -89.3MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * Witness Printer took 142.96ms. Allocated memory is still 163.6MB. Free memory was 136.6MB in the beginning and 132.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:48:51,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5187a7f4-5dbc-4b7d-a732-e6f42d42ccb0/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