./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/verifythis/tree_max.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/tree_max.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e98a60ea9ee0c00575c08606ce8b95d0660c5b235c5932147dfee4b13512f57c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:37,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:37,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:37,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:37,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:37,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:37,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:37,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:37,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:37,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:37,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:37,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:37,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:37,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:37,666 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:37,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:37,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:37,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:37,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:37,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:37,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:37,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:37,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:37,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:37,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:37,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:37,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:37,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:37,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:37,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:37,693 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:37,694 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:37,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:37,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:37,697 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:37,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:37,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:37,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:37,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:37,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:37,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:37,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 15:57:37,730 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:37,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:37,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:37,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:37,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:37,732 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:37,733 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:57:37,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:37,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:37,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:37,733 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:57:37,734 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:57:37,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:37,734 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:37,734 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:37,734 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:37,734 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:37,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:37,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:37,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:37,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:37,735 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:37,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:37,736 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_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e98a60ea9ee0c00575c08606ce8b95d0660c5b235c5932147dfee4b13512f57c [2021-11-23 15:57:38,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:38,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:38,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:38,040 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:38,041 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:38,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/verifythis/tree_max.c [2021-11-23 15:57:38,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data/2f0458d25/034c35054ee54746a335323a39c8ec91/FLAG5de52a713 [2021-11-23 15:57:38,638 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:38,642 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/sv-benchmarks/c/verifythis/tree_max.c [2021-11-23 15:57:38,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data/2f0458d25/034c35054ee54746a335323a39c8ec91/FLAG5de52a713 [2021-11-23 15:57:38,995 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data/2f0458d25/034c35054ee54746a335323a39c8ec91 [2021-11-23 15:57:38,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:38,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:39,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:39,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:39,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:39,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:38" (1/1) ... [2021-11-23 15:57:39,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79053c50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39, skipping insertion in model container [2021-11-23 15:57:39,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:38" (1/1) ... [2021-11-23 15:57:39,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:39,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:39,236 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_769a5c25-745e-4a3e-b8c2-75f386bcaba0/sv-benchmarks/c/verifythis/tree_max.c[544,557] [2021-11-23 15:57:39,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:39,276 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:39,290 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_769a5c25-745e-4a3e-b8c2-75f386bcaba0/sv-benchmarks/c/verifythis/tree_max.c[544,557] [2021-11-23 15:57:39,298 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:39,313 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:39,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39 WrapperNode [2021-11-23 15:57:39,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:39,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:39,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:39,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:39,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,352 INFO L137 Inliner]: procedures = 24, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 38 [2021-11-23 15:57:39,353 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:39,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:39,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:39,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:39,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:39,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:39,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:39,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:39,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:39" (1/1) ... [2021-11-23 15:57:39,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:39,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:39,420 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:39,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:39,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure max [2021-11-23 15:57:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2021-11-23 15:57:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2021-11-23 15:57:39,459 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2021-11-23 15:57:39,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure check [2021-11-23 15:57:39,460 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2021-11-23 15:57:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:57:39,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:39,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:39,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:57:39,527 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:39,528 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:39,805 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:39,838 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:39,842 INFO L158 Benchmark]: Toolchain (without parser) took 842.14ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 69.1MB in the end (delta: 9.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,843 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 81.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:39,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.16ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 86.6MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,845 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.71ms. Allocated memory is still 111.1MB. Free memory was 86.6MB in the beginning and 85.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:39,846 INFO L158 Benchmark]: Boogie Preprocessor took 27.38ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 83.8MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,847 INFO L158 Benchmark]: RCFGBuilder took 458.58ms. Allocated memory is still 111.1MB. Free memory was 83.8MB in the beginning and 69.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:39,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 81.8MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.16ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 86.6MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.71ms. Allocated memory is still 111.1MB. Free memory was 86.6MB in the beginning and 85.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.38ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 83.8MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 458.58ms. Allocated memory is still 111.1MB. Free memory was 83.8MB in the beginning and 69.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:39,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/verifythis/tree_max.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e98a60ea9ee0c00575c08606ce8b95d0660c5b235c5932147dfee4b13512f57c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:42,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:42,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:42,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:42,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:42,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:42,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:42,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:42,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:42,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:42,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:42,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:42,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:42,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:42,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:42,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:42,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:42,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:42,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:42,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:42,729 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:42,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:42,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:42,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:42,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:42,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:42,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:42,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:42,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:42,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:42,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:42,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:42,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:42,752 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:42,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:42,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:42,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:42,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:42,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:42,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:42,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:42,771 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:42,798 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:42,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:42,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:42,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:42,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:42,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:42,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:57:42,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:42,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:42,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:42,801 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:57:42,802 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:57:42,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:42,802 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:42,802 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:42,803 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:42,803 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:42,803 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:42,803 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:42,804 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:42,804 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:42,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:42,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:42,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:42,805 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:42,805 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:42,806 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:42,806 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:42,806 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e98a60ea9ee0c00575c08606ce8b95d0660c5b235c5932147dfee4b13512f57c [2021-11-23 15:57:43,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:43,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:43,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:43,236 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:43,237 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:43,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/verifythis/tree_max.c [2021-11-23 15:57:43,305 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data/8f1cfc13e/30c1a039e75a49cda25362d27e712240/FLAGf2dfa38a9 [2021-11-23 15:57:43,834 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:43,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/sv-benchmarks/c/verifythis/tree_max.c [2021-11-23 15:57:43,846 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data/8f1cfc13e/30c1a039e75a49cda25362d27e712240/FLAGf2dfa38a9 [2021-11-23 15:57:44,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/data/8f1cfc13e/30c1a039e75a49cda25362d27e712240 [2021-11-23 15:57:44,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:44,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:44,176 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:44,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:44,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:44,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acf36c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44, skipping insertion in model container [2021-11-23 15:57:44,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:44,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:44,404 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_769a5c25-745e-4a3e-b8c2-75f386bcaba0/sv-benchmarks/c/verifythis/tree_max.c[544,557] [2021-11-23 15:57:44,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:44,442 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:57:44,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:44,451 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_769a5c25-745e-4a3e-b8c2-75f386bcaba0/sv-benchmarks/c/verifythis/tree_max.c[544,557] [2021-11-23 15:57:44,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:44,472 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:44,528 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_769a5c25-745e-4a3e-b8c2-75f386bcaba0/sv-benchmarks/c/verifythis/tree_max.c[544,557] [2021-11-23 15:57:44,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:44,559 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:44,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44 WrapperNode [2021-11-23 15:57:44,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:44,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:44,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:44,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:44,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,608 INFO L137 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 37 [2021-11-23 15:57:44,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:44,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:44,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:44,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:44,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:44,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:44,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:44,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:44,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:44" (1/1) ... [2021-11-23 15:57:44,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:44,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:44,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:44,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:57:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:57:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:57:44,797 INFO L130 BoogieDeclarations]: Found specification of procedure max [2021-11-23 15:57:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2021-11-23 15:57:44,798 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_tree [2021-11-23 15:57:44,798 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_tree [2021-11-23 15:57:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure check [2021-11-23 15:57:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2021-11-23 15:57:44,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:57:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:44,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:57:44,900 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:44,902 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:45,380 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:45,423 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:45,431 INFO L158 Benchmark]: Toolchain (without parser) took 1255.60ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 29.7MB in the beginning and 56.2MB in the end (delta: -26.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:45,432 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 52.4MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:45,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.54ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 29.4MB in the beginning and 58.3MB in the end (delta: -28.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:45,434 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.68ms. Allocated memory is still 75.5MB. Free memory was 58.1MB in the beginning and 56.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:45,435 INFO L158 Benchmark]: Boogie Preprocessor took 69.60ms. Allocated memory is still 75.5MB. Free memory was 56.6MB in the beginning and 55.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:45,436 INFO L158 Benchmark]: RCFGBuilder took 744.22ms. Allocated memory is still 75.5MB. Free memory was 55.0MB in the beginning and 56.2MB in the end (delta: -1.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:45,440 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 52.4MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 384.54ms. Allocated memory was 52.4MB in the beginning and 75.5MB in the end (delta: 23.1MB). Free memory was 29.4MB in the beginning and 58.3MB in the end (delta: -28.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.68ms. Allocated memory is still 75.5MB. Free memory was 58.1MB in the beginning and 56.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.60ms. Allocated memory is still 75.5MB. Free memory was 56.6MB in the beginning and 55.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.22ms. Allocated memory is still 75.5MB. Free memory was 55.0MB in the beginning and 56.2MB in the end (delta: -1.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:45,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_769a5c25-745e-4a3e-b8c2-75f386bcaba0/bin/ukojak-CwSLpZB5Qu/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 Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable