./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-properties/list-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/list-properties/list-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --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 a135e953d64ed0fec81eb2a1e42f4031e3e387fc71d5a5cd2177772a202dc706 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:52:42,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:52:43,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:52:43,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:52:43,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:52:43,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:52:43,123 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:52:43,124 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:52:43,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:52:43,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:52:43,129 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:52:43,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:52:43,130 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:52:43,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:52:43,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:52:43,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:52:43,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:52:43,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:52:43,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:52:43,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:52:43,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:52:43,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:52:43,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:52:43,141 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:52:43,141 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:52:43,141 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:52:43,142 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:52:43,142 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:43,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:52:43,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:52:43,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:52:43,143 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:52:43,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:52:43,145 INFO L153 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_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a135e953d64ed0fec81eb2a1e42f4031e3e387fc71d5a5cd2177772a202dc706 [2024-11-08 23:52:43,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:52:43,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:52:43,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:52:43,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:52:43,442 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:52:43,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/list-properties/list-2.i Unable to find full path for "g++" [2024-11-08 23:52:45,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:52:46,139 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:52:46,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/sv-benchmarks/c/list-properties/list-2.i [2024-11-08 23:52:46,156 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/data/7c256f694/8bd4d026be06484ca9f9f6810d699041/FLAG979f5d29e [2024-11-08 23:52:46,178 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/data/7c256f694/8bd4d026be06484ca9f9f6810d699041 [2024-11-08 23:52:46,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:52:46,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:52:46,186 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:46,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:52:46,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:52:46,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:46" (1/1) ... [2024-11-08 23:52:46,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7134690b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:46, skipping insertion in model container [2024-11-08 23:52:46,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:52:46" (1/1) ... [2024-11-08 23:52:46,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:52:46,795 WARN L250 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_f2c498e5-96bf-4932-8527-31c645c6eedf/sv-benchmarks/c/list-properties/list-2.i[23408,23421] [2024-11-08 23:52:46,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:46,817 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:52:46,902 WARN L250 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_f2c498e5-96bf-4932-8527-31c645c6eedf/sv-benchmarks/c/list-properties/list-2.i[23408,23421] [2024-11-08 23:52:46,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:52:47,015 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:52:47,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47 WrapperNode [2024-11-08 23:52:47,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:52:47,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:47,018 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:52:47,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:52:47,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,045 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,076 INFO L138 Inliner]: procedures = 124, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2024-11-08 23:52:47,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:52:47,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:52:47,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:52:47,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:52:47,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,130 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:52:47,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:52:47,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:52:47,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:52:47,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:52:47,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:52:47,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:52:47,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:52:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-11-08 23:52:47,236 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-11-08 23:52:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:52:47,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:52:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:52:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:52:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 23:52:47,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 23:52:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:52:47,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:52:47,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:52:47,383 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:52:47,386 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:52:47,423 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-11-08 23:52:47,630 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-08 23:52:47,631 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:52:47,663 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:52:47,663 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-08 23:52:47,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:47 BoogieIcfgContainer [2024-11-08 23:52:47,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:52:47,665 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:52:47,666 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:52:47,680 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:52:47,680 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:47" (1/1) ... [2024-11-08 23:52:47,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:52:47,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-08 23:52:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-08 23:52:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:52:47,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:47,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:48,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:48,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2024-11-08 23:52:48,049 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2024-11-08 23:52:48,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:52:48,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:48,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:48,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2024-11-08 23:52:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2024-11-08 23:52:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:52:49,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:49,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:49,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:49,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2024-11-08 23:52:49,641 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-08 23:52:49,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:52:49,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:49,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:50,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:50,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2024-11-08 23:52:50,161 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-08 23:52:50,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:52:50,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:50,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:51,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:51,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2024-11-08 23:52:51,804 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-08 23:52:51,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:52:51,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:51,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:52,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2024-11-08 23:52:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2024-11-08 23:52:53,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:52:53,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:53,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:54,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:57,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:57,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 70 states and 117 transitions. [2024-11-08 23:52:57,084 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 117 transitions. [2024-11-08 23:52:57,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:52:57,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:57,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:59,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 79 states and 135 transitions. [2024-11-08 23:52:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2024-11-08 23:52:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:52:59,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:59,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:59,536 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:59,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:59,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 79 states and 130 transitions. [2024-11-08 23:52:59,912 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 130 transitions. [2024-11-08 23:52:59,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:52:59,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:59,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 85 states and 145 transitions. [2024-11-08 23:53:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2024-11-08 23:53:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:53:02,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:02,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 87 states and 151 transitions. [2024-11-08 23:53:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 151 transitions. [2024-11-08 23:53:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:53:03,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:03,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:04,952 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:05,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:05,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 89 states and 157 transitions. [2024-11-08 23:53:05,498 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 157 transitions. [2024-11-08 23:53:05,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:53:05,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:05,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:10,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 98 states and 181 transitions. [2024-11-08 23:53:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 181 transitions. [2024-11-08 23:53:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:53:10,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:10,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:10,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:53:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:10,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:53:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:53:10,984 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 14 iterations. [2024-11-08 23:53:11,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:53:11 ImpRootNode [2024-11-08 23:53:11,016 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:53:11,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:53:11,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:53:11,019 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:53:11,019 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:52:47" (3/4) ... [2024-11-08 23:53:11,020 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:53:11,079 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:53:11,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:53:11,080 INFO L158 Benchmark]: Toolchain (without parser) took 24896.83ms. Allocated memory was 138.4MB in the beginning and 222.3MB in the end (delta: 83.9MB). Free memory was 86.5MB in the beginning and 129.3MB in the end (delta: -42.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-08 23:53:11,080 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 99.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:53:11,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.44ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 86.5MB in the beginning and 148.1MB in the end (delta: -61.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2024-11-08 23:53:11,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.92ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 145.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:53:11,082 INFO L158 Benchmark]: Boogie Preprocessor took 58.08ms. Allocated memory is still 182.5MB. Free memory was 145.9MB in the beginning and 144.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:53:11,083 INFO L158 Benchmark]: RCFGBuilder took 523.58ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 129.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 23:53:11,084 INFO L158 Benchmark]: CodeCheck took 23350.21ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 129.3MB in the beginning and 132.0MB in the end (delta: -2.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-08 23:53:11,084 INFO L158 Benchmark]: Witness Printer took 62.97ms. Allocated memory is still 222.3MB. Free memory was 131.4MB in the beginning and 129.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:53:11,087 INFO L338 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, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.3s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1281 SdHoareTripleChecker+Valid, 6.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 736 mSDsluCounter, 1130 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 726 mSDsCounter, 620 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2805 IncrementalHoareTripleChecker+Invalid, 3425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 620 mSolverCounterUnsat, 404 mSDtfsCounter, 2805 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2420 GetRequests, 2123 SyntacticMatches, 105 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17401 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 282 NumberOfCodeBlocks, 282 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 2969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 6/52 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: 557]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L532] List a = (List) malloc(sizeof(struct node)); [L533] COND FALSE !(a == 0) VAL [a={-1:0}] [L534] List t; [L535] List p = a; VAL [a={-1:0}, p={-1:0}] [L536] COND TRUE __VERIFIER_nondet_int() [L537] p->h = 1 [L538] t = (List) malloc(sizeof(struct node)) [L539] COND FALSE !(t == 0) VAL [a={-1:0}, p={-1:0}, t={-2:0}] [L540] p->n = t [L541] EXPR p->n [L541] p = p->n [L536] COND FALSE !(__VERIFIER_nondet_int()) [L543] COND TRUE __VERIFIER_nondet_int() [L544] p->h = 2 [L545] t = (List) malloc(sizeof(struct node)) [L546] COND FALSE !(t == 0) VAL [a={-1:0}, p={-2:0}, t={-3:0}] [L547] p->n = t [L548] EXPR p->n [L548] p = p->n [L543] COND FALSE !(__VERIFIER_nondet_int()) [L550] p->h = 3 [L551] p = a VAL [p={-1:0}] [L552] EXPR p->h VAL [p={-1:0}] [L552] COND FALSE !(p->h == 2) [L554] EXPR p->h VAL [p={-1:0}] [L554] COND TRUE p->h == 1 [L555] EXPR p->n [L555] p = p->n VAL [p={-2:0}] [L554] EXPR p->h VAL [p={-2:0}] [L554] COND FALSE !(p->h == 1) [L556] EXPR p->h [L556] COND TRUE p->h != 3 [L557] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 99.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.44ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 86.5MB in the beginning and 148.1MB in the end (delta: -61.7MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.92ms. Allocated memory is still 182.5MB. Free memory was 148.1MB in the beginning and 145.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.08ms. Allocated memory is still 182.5MB. Free memory was 145.9MB in the beginning and 144.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.58ms. Allocated memory is still 182.5MB. Free memory was 144.0MB in the beginning and 129.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 23350.21ms. Allocated memory was 182.5MB in the beginning and 222.3MB in the end (delta: 39.8MB). Free memory was 129.3MB in the beginning and 132.0MB in the end (delta: -2.7MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 62.97ms. Allocated memory is still 222.3MB. Free memory was 131.4MB in the beginning and 129.3MB 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! [2024-11-08 23:53:11,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2c498e5-96bf-4932-8527-31c645c6eedf/bin/ukojak-verify-ImItNfHLgk/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