./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/tree-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_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/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_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-manipulation/tree-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/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_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/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 ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:40:07,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:40:07,582 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:40:07,592 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:40:07,593 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:40:07,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:40:07,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:40:07,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:40:07,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:40:07,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:40:07,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:40:07,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:40:07,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:40:07,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:40:07,649 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:40:07,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:40:07,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:40:07,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:40:07,651 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:40:07,651 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:40:07,651 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:40:07,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:40:07,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:40:07,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:40:07,655 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:40:07,655 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:40:07,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:40:07,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:07,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:40:07,658 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:40:07,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:40:07,660 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:40:07,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:40:07,678 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_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff6ec4010c0396675f743c4c0d5de68176a7292a1f0bcf6c389633f85d936d1a [2024-11-08 19:40:08,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:40:08,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:40:08,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:40:08,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:40:08,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:40:08,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/heap-manipulation/tree-2.i Unable to find full path for "g++" [2024-11-08 19:40:10,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:40:10,581 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:40:10,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/sv-benchmarks/c/heap-manipulation/tree-2.i [2024-11-08 19:40:10,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/data/3ec43fd9a/94407732e40f4713aa09a699f8b5efa1/FLAG4b44a032b [2024-11-08 19:40:10,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/data/3ec43fd9a/94407732e40f4713aa09a699f8b5efa1 [2024-11-08 19:40:10,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:40:10,619 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:40:10,621 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:10,621 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:40:10,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:40:10,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:10" (1/1) ... [2024-11-08 19:40:10,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50045a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:10, skipping insertion in model container [2024-11-08 19:40:10,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:40:10" (1/1) ... [2024-11-08 19:40:10,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:40:11,095 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_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2024-11-08 19:40:11,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:11,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:40:11,186 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_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/sv-benchmarks/c/heap-manipulation/tree-2.i[22626,22639] [2024-11-08 19:40:11,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:40:11,258 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:40:11,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11 WrapperNode [2024-11-08 19:40:11,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:40:11,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:11,261 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:40:11,262 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:40:11,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,327 INFO L138 Inliner]: procedures = 122, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 136 [2024-11-08 19:40:11,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:40:11,331 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:40:11,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:40:11,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:40:11,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,370 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,374 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:40:11,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:40:11,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:40:11,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:40:11,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:40:11" (1/1) ... [2024-11-08 19:40:11,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:40:11,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:40:11,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:40:11,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:40:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 19:40:11,471 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2024-11-08 19:40:11,472 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2024-11-08 19:40:11,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 19:40:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 19:40:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:40:11,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-08 19:40:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-08 19:40:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 19:40:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:40:11,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:40:11,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:40:11,645 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:40:11,648 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:40:12,058 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-08 19:40:12,058 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:40:12,235 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:40:12,238 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-08 19:40:12,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:12 BoogieIcfgContainer [2024-11-08 19:40:12,239 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:40:12,279 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:40:12,279 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:40:12,296 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:40:12,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:12" (1/1) ... [2024-11-08 19:40:12,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:40:12,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:12,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2024-11-08 19:40:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2024-11-08 19:40:12,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 19:40:12,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:12,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:12,588 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 19:40:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:12,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-11-08 19:40:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-08 19:40:12,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:40:12,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:12,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:12,856 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 19:40:13,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:13,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 37 states and 56 transitions. [2024-11-08 19:40:13,028 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2024-11-08 19:40:13,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 19:40:13,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:13,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:13,126 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 19:40:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-11-08 19:40:13,347 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-11-08 19:40:13,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 19:40:13,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:13,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:13,489 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 19:40:13,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2024-11-08 19:40:13,742 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2024-11-08 19:40:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 19:40:13,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:13,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:13,848 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 19:40:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2024-11-08 19:40:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2024-11-08 19:40:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:40:14,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:14,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:14,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 19:40:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:15,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2024-11-08 19:40:15,284 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2024-11-08 19:40:15,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 19:40:15,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:15,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-08 19:40:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:15,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2024-11-08 19:40:15,777 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2024-11-08 19:40:15,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:40:15,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:15,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:17,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:19,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:19,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2024-11-08 19:40:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2024-11-08 19:40:19,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 19:40:19,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:19,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:22,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:22,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 90 transitions. [2024-11-08 19:40:22,534 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 90 transitions. [2024-11-08 19:40:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 19:40:22,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:22,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-08 19:40:23,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:23,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 58 states and 87 transitions. [2024-11-08 19:40:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 87 transitions. [2024-11-08 19:40:23,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:40:23,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:23,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:23,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:25,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:25,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 62 states and 94 transitions. [2024-11-08 19:40:25,209 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2024-11-08 19:40:25,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:40:25,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:25,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:40:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:40:26,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:40:26,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2024-11-08 19:40:26,851 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2024-11-08 19:40:26,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 19:40:26,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:40:26,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:40:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:26,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:40:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:27,528 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:40:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:40:27,952 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 13 iterations. [2024-11-08 19:40:27,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:40:27 ImpRootNode [2024-11-08 19:40:27,985 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:40:27,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:40:27,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:40:27,986 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:40:27,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:40:12" (3/4) ... [2024-11-08 19:40:27,988 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 19:40:28,045 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:40:28,045 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:40:28,046 INFO L158 Benchmark]: Toolchain (without parser) took 17426.78ms. Allocated memory was 142.6MB in the beginning and 295.7MB in the end (delta: 153.1MB). Free memory was 103.8MB in the beginning and 107.4MB in the end (delta: -3.6MB). Peak memory consumption was 152.4MB. Max. memory is 16.1GB. [2024-11-08 19:40:28,047 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 112.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:40:28,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 639.28ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 83.8MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 19:40:28,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.54ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 81.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:40:28,049 INFO L158 Benchmark]: Boogie Preprocessor took 46.26ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 79.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:40:28,049 INFO L158 Benchmark]: RCFGBuilder took 861.47ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 109.5MB in the end (delta: -29.9MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2024-11-08 19:40:28,050 INFO L158 Benchmark]: CodeCheck took 15706.32ms. Allocated memory was 203.4MB in the beginning and 295.7MB in the end (delta: 92.3MB). Free memory was 171.7MB in the beginning and 109.5MB in the end (delta: 62.1MB). Peak memory consumption was 154.5MB. Max. memory is 16.1GB. [2024-11-08 19:40:28,051 INFO L158 Benchmark]: Witness Printer took 59.29ms. Allocated memory is still 295.7MB. Free memory was 109.5MB in the beginning and 107.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:40:28,054 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 937 SdHoareTripleChecker+Valid, 14.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 392 mSDsluCounter, 751 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 440 mSDsCounter, 440 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1436 IncrementalHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 440 mSolverCounterUnsat, 311 mSDtfsCounter, 1436 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1597 GetRequests, 1468 SyntacticMatches, 13 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4976 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 165 ConstructedInterpolants, 0 QuantifiedInterpolants, 828 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 25/33 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: 565]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L630] CALL, EXPR create_tree() [L585] struct node *nodelast = ((void *)0); [L586] struct node *node = ((void *)0); VAL [node={0:0}, nodelast={0:0}] [L587] COND TRUE __VERIFIER_nondet_int() [L588] node = malloc(sizeof *node) [L589] COND FALSE !(!node) [L591] node->left = ((void *)0) [L592] node->right = nodelast [L593] COND FALSE !(\read(*nodelast)) [L595] int value = __VERIFIER_nondet_int(); [L596] node->value = value [L597] nodelast = node [L587] COND FALSE !(__VERIFIER_nondet_int()) [L599] COND FALSE !(node != ((void *)0)) VAL [node={16460:0}, nodelast={16460:0}] [L599] COND TRUE node != ((void *)0) [L600] node->left = malloc(sizeof *node) [L601] COND FALSE !(!node) [L603] EXPR node->left [L603] node->left->left = ((void *)0) [L604] EXPR node->left [L604] node->left->right = ((void *)0) [L605] EXPR node->left [L605] node->left->value = 42 [L606] EXPR node->left [L606] node->left->parent = node [L607] EXPR node->right [L607] node = node->right [L599] COND TRUE node != ((void *)0) VAL [nodelast={16460:0}] [L609] return nodelast; [L630] RET, EXPR create_tree() [L630] struct node *data = create_tree(); [L631] COND FALSE !(!data) [L633] CALL inspect(data) [L575] COND FALSE !(!(node)) VAL [node={16460:0}] [L576] COND FALSE !(node != ((void *)0)) VAL [node={16460:0}] [L576] COND TRUE node != ((void *)0) [L577] node->left VAL [node={16460:0}] [L577] COND TRUE node->left [L578] EXPR node->left [L578] EXPR node->left->value VAL [node={16460:0}] [L578] COND FALSE !(!(node->left->value == 42)) [L579] EXPR node->value VAL [node={16460:0}] [L579] COND TRUE !(node->value) [L579] CALL fail() [L565] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory was 112.2MB in the beginning and 112.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 639.28ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 83.8MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.54ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 81.2MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.26ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 79.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 861.47ms. Allocated memory is still 142.6MB. Free memory was 79.6MB in the beginning and 109.5MB in the end (delta: -29.9MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * CodeCheck took 15706.32ms. Allocated memory was 203.4MB in the beginning and 295.7MB in the end (delta: 92.3MB). Free memory was 171.7MB in the beginning and 109.5MB in the end (delta: 62.1MB). Peak memory consumption was 154.5MB. Max. memory is 16.1GB. * Witness Printer took 59.29ms. Allocated memory is still 295.7MB. Free memory was 109.5MB in the beginning and 107.4MB 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 19:40:28,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0ed6a4b-64d6-45c4-84a9-91e5f72a4bc6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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