./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0158-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:58:01,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:58:01,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:58:01,578 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:58:01,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:58:01,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:58:01,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:58:01,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:58:01,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:58:01,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:58:01,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:58:01,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:58:01,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:58:01,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:58:01,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:58:01,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:58:01,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:58:01,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:58:01,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:58:01,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:58:01,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:58:01,603 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:58:01,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:58:01,605 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:58:01,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:58:01,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:58:01,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:58:01,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:58:01,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:58:01,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:58:01,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:58:01,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:58:01,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:58:01,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:58:01,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:58:01,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:58:01,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:58:01,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:58:01,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:58:01,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:58:01,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:58:01,620 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-12-06 23:58:01,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:58:01,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:58:01,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:58:01,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:58:01,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:58:01,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:58:01,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:58:01,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:58:01,646 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:58:01,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:58:01,646 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:58:01,646 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:58:01,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:58:01,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:58:01,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:58:01,647 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-06 23:58:01,647 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-06 23:58:01,647 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-06 23:58:01,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:58:01,647 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 23:58:01,648 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:58:01,648 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:58:01,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:58:01,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:58:01,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:58:01,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:58:01,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:58:01,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:58:01,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:58:01,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 23:58:01,649 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:58:01,649 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_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 [2021-12-06 23:58:01,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:58:01,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:58:01,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:58:01,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:58:01,867 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:58:01,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/memsafety/test-0158-2.i [2021-12-06 23:58:01,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data/908e2d26e/12cc6d5cf03a4a50914cf3b4048275db/FLAG666ff00d8 [2021-12-06 23:58:02,365 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:58:02,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/sv-benchmarks/c/memsafety/test-0158-2.i [2021-12-06 23:58:02,374 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data/908e2d26e/12cc6d5cf03a4a50914cf3b4048275db/FLAG666ff00d8 [2021-12-06 23:58:02,384 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data/908e2d26e/12cc6d5cf03a4a50914cf3b4048275db [2021-12-06 23:58:02,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:58:02,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:58:02,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:58:02,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:58:02,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:58:02,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68e9a054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02, skipping insertion in model container [2021-12-06 23:58:02,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:58:02,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:58:02,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:58:02,640 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:58:02,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:58:02,704 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:58:02,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02 WrapperNode [2021-12-06 23:58:02,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:58:02,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:58:02,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:58:02,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:58:02,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,725 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,742 INFO L137 Inliner]: procedures = 123, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-06 23:58:02,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:58:02,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:58:02,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:58:02,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:58:02,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:58:02,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:58:02,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:58:02,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:58:02,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (1/1) ... [2021-12-06 23:58:02,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:58:02,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:58:02,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:58:02,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:58:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 23:58:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:58:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:58:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:58:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:58:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:58:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 23:58:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:58:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:58:02,906 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:58:02,907 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:58:02,991 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:58:02,995 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:58:02,995 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 23:58:02,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:58:02 BoogieIcfgContainer [2021-12-06 23:58:02,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:58:02,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:58:02,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:58:03,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:58:03,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:58:02" (1/3) ... [2021-12-06 23:58:03,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76820628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:58:03, skipping insertion in model container [2021-12-06 23:58:03,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:02" (2/3) ... [2021-12-06 23:58:03,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76820628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:58:03, skipping insertion in model container [2021-12-06 23:58:03,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:58:02" (3/3) ... [2021-12-06 23:58:03,003 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2021-12-06 23:58:03,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:58:03,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-12-06 23:58:03,041 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:58:03,046 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:58:03,046 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-06 23:58:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-12-06 23:58:03,060 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:03,061 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-12-06 23:58:03,061 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 3 more)] === [2021-12-06 23:58:03,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:03,065 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-12-06 23:58:03,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:58:03,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144525823] [2021-12-06 23:58:03,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:03,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:58:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:03,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:58:03,204 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:58:03,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144525823] [2021-12-06 23:58:03,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144525823] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:58:03,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:58:03,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:58:03,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445199575] [2021-12-06 23:58:03,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:58:03,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:58:03,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:58:03,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:58:03,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:58:03,233 INFO L87 Difference]: Start difference. First operand has 17 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:03,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:58:03,263 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2021-12-06 23:58:03,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:58:03,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-12-06 23:58:03,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:58:03,271 INFO L225 Difference]: With dead ends: 14 [2021-12-06 23:58:03,271 INFO L226 Difference]: Without dead ends: 12 [2021-12-06 23:58:03,272 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:58:03,275 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:58:03,276 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 7 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:58:03,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-12-06 23:58:03,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-12-06 23:58:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.375) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:03,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2021-12-06 23:58:03,297 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 3 [2021-12-06 23:58:03,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:58:03,297 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2021-12-06 23:58:03,297 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:03,298 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2021-12-06 23:58:03,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-12-06 23:58:03,298 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:03,298 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-12-06 23:58:03,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 23:58:03,298 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 3 more)] === [2021-12-06 23:58:03,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:03,299 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-12-06 23:58:03,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:58:03,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305288251] [2021-12-06 23:58:03,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:03,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:58:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:58:03,340 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 23:58:03,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305288251] [2021-12-06 23:58:03,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305288251] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:58:03,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:58:03,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:58:03,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637933439] [2021-12-06 23:58:03,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:58:03,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:58:03,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 23:58:03,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:58:03,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:58:03,342 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:03,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:58:03,353 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2021-12-06 23:58:03,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:58:03,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-12-06 23:58:03,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:58:03,354 INFO L225 Difference]: With dead ends: 9 [2021-12-06 23:58:03,354 INFO L226 Difference]: Without dead ends: 9 [2021-12-06 23:58:03,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:58:03,355 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:58:03,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:58:03,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-12-06 23:58:03,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-12-06 23:58:03,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2021-12-06 23:58:03,358 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 3 [2021-12-06 23:58:03,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:58:03,358 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2021-12-06 23:58:03,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:03,358 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2021-12-06 23:58:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-06 23:58:03,359 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:03,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:58:03,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 23:58:03,359 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 3 more)] === [2021-12-06 23:58:03,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:03,360 INFO L85 PathProgramCache]: Analyzing trace with hash 59200043, now seen corresponding path program 1 times [2021-12-06 23:58:03,360 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:58:03,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60759196] [2021-12-06 23:58:03,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:03,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:58:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:58:03,385 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:58:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:58:03,414 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:58:03,415 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:58:03,415 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2021-12-06 23:58:03,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION (5 of 7 remaining) [2021-12-06 23:58:03,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION (4 of 7 remaining) [2021-12-06 23:58:03,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION (3 of 7 remaining) [2021-12-06 23:58:03,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION (2 of 7 remaining) [2021-12-06 23:58:03,417 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION (1 of 7 remaining) [2021-12-06 23:58:03,418 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION (0 of 7 remaining) [2021-12-06 23:58:03,418 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 23:58:03,420 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-06 23:58:03,423 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:58:03,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:58:03 BoogieIcfgContainer [2021-12-06 23:58:03,436 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:58:03,437 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:58:03,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:58:03,437 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:58:03,438 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:58:02" (3/4) ... [2021-12-06 23:58:03,440 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:58:03,440 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:58:03,441 INFO L158 Benchmark]: Toolchain (without parser) took 1052.83ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 55.4MB in the beginning and 54.6MB in the end (delta: 795.0kB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2021-12-06 23:58:03,441 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 56.0MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:58:03,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.96ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 55.1MB in the beginning and 72.5MB in the end (delta: -17.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:58:03,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.25ms. Allocated memory is still 102.8MB. Free memory was 72.5MB in the beginning and 70.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:58:03,442 INFO L158 Benchmark]: Boogie Preprocessor took 21.40ms. Allocated memory is still 102.8MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:58:03,443 INFO L158 Benchmark]: RCFGBuilder took 231.58ms. Allocated memory is still 102.8MB. Free memory was 69.6MB in the beginning and 59.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 23:58:03,443 INFO L158 Benchmark]: TraceAbstraction took 438.45ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 54.6MB in the end (delta: 4.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-12-06 23:58:03,443 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 102.8MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:58:03,445 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 56.0MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.96ms. Allocated memory was 77.6MB in the beginning and 102.8MB in the end (delta: 25.2MB). Free memory was 55.1MB in the beginning and 72.5MB in the end (delta: -17.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.25ms. Allocated memory is still 102.8MB. Free memory was 72.5MB in the beginning and 70.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.40ms. Allocated memory is still 102.8MB. Free memory was 70.9MB in the beginning and 69.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 231.58ms. Allocated memory is still 102.8MB. Free memory was 69.6MB in the beginning and 59.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 438.45ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 54.6MB in the end (delta: 4.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 102.8MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) VAL [data={3:0}, malloc(37U)={-1:0}] [L534] data.str.p2 = &data VAL [data={3:0}] [L535] data.str.c[1] = sizeof data.str.p1 VAL [data={3:0}] [L536] return 0; [L536] return 0; VAL [\result=0] - UnprovableResult [Line: 533]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 533]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 534]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 534]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 10 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 23:58:03,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0158-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:58:05,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:58:05,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:58:05,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:58:05,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:58:05,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:58:05,221 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:58:05,223 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:58:05,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:58:05,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:58:05,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:58:05,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:58:05,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:58:05,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:58:05,233 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:58:05,234 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:58:05,235 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:58:05,236 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:58:05,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:58:05,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:58:05,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:58:05,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:58:05,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:58:05,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:58:05,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:58:05,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:58:05,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:58:05,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:58:05,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:58:05,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:58:05,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:58:05,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:58:05,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:58:05,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:58:05,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:58:05,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:58:05,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:58:05,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:58:05,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:58:05,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:58:05,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:58:05,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-12-06 23:58:05,287 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:58:05,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:58:05,288 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:58:05,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:58:05,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 23:58:05,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 23:58:05,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:58:05,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:58:05,290 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:58:05,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:58:05,291 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 23:58:05,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:58:05,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:58:05,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 23:58:05,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:58:05,291 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-06 23:58:05,292 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-06 23:58:05,292 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-06 23:58:05,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 23:58:05,292 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 23:58:05,292 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 23:58:05,293 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 23:58:05,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 23:58:05,293 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:58:05,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:58:05,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:58:05,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 23:58:05,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:58:05,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:58:05,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 23:58:05,294 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 23:58:05,294 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 23:58:05,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:58:05,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 23:58:05,295 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_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71b5f65f2f8d87850f90a0c5b95ff806d4054a596ed67d86f7cc490935279607 [2021-12-06 23:58:05,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:58:05,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:58:05,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:58:05,545 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:58:05,546 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:58:05,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/memsafety/test-0158-2.i [2021-12-06 23:58:05,587 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data/82fc5f681/bb22cc56ef554c2383896f33aa8eb2c1/FLAG9090bd17d [2021-12-06 23:58:06,003 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:58:06,003 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/sv-benchmarks/c/memsafety/test-0158-2.i [2021-12-06 23:58:06,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data/82fc5f681/bb22cc56ef554c2383896f33aa8eb2c1/FLAG9090bd17d [2021-12-06 23:58:06,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/data/82fc5f681/bb22cc56ef554c2383896f33aa8eb2c1 [2021-12-06 23:58:06,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:58:06,027 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:58:06,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:58:06,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:58:06,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:58:06,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b78b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06, skipping insertion in model container [2021-12-06 23:58:06,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:58:06,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:58:06,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:58:06,290 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:58:06,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:58:06,359 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:58:06,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06 WrapperNode [2021-12-06 23:58:06,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:58:06,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:58:06,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:58:06,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:58:06,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,384 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,399 INFO L137 Inliner]: procedures = 124, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2021-12-06 23:58:06,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:58:06,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:58:06,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:58:06,400 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:58:06,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:58:06,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:58:06,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:58:06,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:58:06,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (1/1) ... [2021-12-06 23:58:06,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 23:58:06,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:58:06,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 23:58:06,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 23:58:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 23:58:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 23:58:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 23:58:06,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 23:58:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 23:58:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 23:58:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 23:58:06,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:58:06,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:58:06,575 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:58:06,576 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:58:06,693 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:58:06,699 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:58:06,699 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 23:58:06,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:58:06 BoogieIcfgContainer [2021-12-06 23:58:06,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:58:06,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 23:58:06,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 23:58:06,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 23:58:06,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 11:58:06" (1/3) ... [2021-12-06 23:58:06,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eeeb4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:58:06, skipping insertion in model container [2021-12-06 23:58:06,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:58:06" (2/3) ... [2021-12-06 23:58:06,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1eeeb4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 11:58:06, skipping insertion in model container [2021-12-06 23:58:06,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:58:06" (3/3) ... [2021-12-06 23:58:06,708 INFO L111 eAbstractionObserver]: Analyzing ICFG test-0158-2.i [2021-12-06 23:58:06,713 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 23:58:06,713 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-12-06 23:58:06,755 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 23:58:06,762 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 23:58:06,762 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-12-06 23:58:06,774 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:06,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-12-06 23:58:06,781 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:06,782 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-12-06 23:58:06,782 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 3 more)] === [2021-12-06 23:58:06,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:06,787 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-12-06 23:58:06,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:58:06,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538438996] [2021-12-06 23:58:06,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:06,798 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:58:06,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:58:06,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:58:06,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 23:58:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:06,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 23:58:06,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:58:06,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 23:58:06,959 INFO L354 Elim1Store]: treesize reduction 12, result has 40.0 percent of original size [2021-12-06 23:58:06,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 14 [2021-12-06 23:58:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:58:06,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:58:06,983 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:58:06,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538438996] [2021-12-06 23:58:06,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538438996] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:58:06,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:58:06,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:58:06,985 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051467041] [2021-12-06 23:58:06,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:58:06,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:58:06,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:58:07,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:58:07,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:58:07,011 INFO L87 Difference]: Start difference. First operand has 17 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 16 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:07,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:58:07,063 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2021-12-06 23:58:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:58:07,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-12-06 23:58:07,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:58:07,070 INFO L225 Difference]: With dead ends: 14 [2021-12-06 23:58:07,070 INFO L226 Difference]: Without dead ends: 12 [2021-12-06 23:58:07,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:58:07,074 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:58:07,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 7 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:58:07,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-12-06 23:58:07,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-12-06 23:58:07,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.375) internal successors, (11), 11 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2021-12-06 23:58:07,096 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 3 [2021-12-06 23:58:07,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:58:07,096 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2021-12-06 23:58:07,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2021-12-06 23:58:07,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-12-06 23:58:07,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:07,097 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-12-06 23:58:07,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:58:07,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:58:07,299 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 3 more)] === [2021-12-06 23:58:07,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:07,302 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-12-06 23:58:07,303 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:58:07,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512366463] [2021-12-06 23:58:07,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:07,305 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:58:07,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:58:07,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:58:07,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 23:58:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:58:07,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 23:58:07,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:58:07,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 23:58:07,476 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-06 23:58:07,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2021-12-06 23:58:07,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:58:07,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 23:58:07,516 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 23:58:07,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512366463] [2021-12-06 23:58:07,517 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512366463] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 23:58:07,517 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 23:58:07,517 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 23:58:07,517 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929904819] [2021-12-06 23:58:07,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 23:58:07,518 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 23:58:07,518 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 23:58:07,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 23:58:07,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:58:07,519 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:07,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 23:58:07,545 INFO L93 Difference]: Finished difference Result 9 states and 8 transitions. [2021-12-06 23:58:07,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 23:58:07,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2021-12-06 23:58:07,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 23:58:07,546 INFO L225 Difference]: With dead ends: 9 [2021-12-06 23:58:07,546 INFO L226 Difference]: Without dead ends: 9 [2021-12-06 23:58:07,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 23:58:07,547 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 23:58:07,548 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 5 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 23:58:07,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2021-12-06 23:58:07,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-12-06 23:58:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2021-12-06 23:58:07,550 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 3 [2021-12-06 23:58:07,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 23:58:07,551 INFO L470 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2021-12-06 23:58:07,551 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:58:07,551 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2021-12-06 23:58:07,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-12-06 23:58:07,551 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 23:58:07,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 23:58:07,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 23:58:07,752 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:58:07,753 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION (and 3 more)] === [2021-12-06 23:58:07,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:58:07,755 INFO L85 PathProgramCache]: Analyzing trace with hash 59200043, now seen corresponding path program 1 times [2021-12-06 23:58:07,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 23:58:07,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059080549] [2021-12-06 23:58:07,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:58:07,759 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 23:58:07,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 23:58:07,762 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 23:58:07,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 23:58:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:58:07,896 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:58:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:58:07,955 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-06 23:58:07,956 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 23:58:07,957 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2021-12-06 23:58:07,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION (5 of 7 remaining) [2021-12-06 23:58:07,959 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION (4 of 7 remaining) [2021-12-06 23:58:07,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION (3 of 7 remaining) [2021-12-06 23:58:07,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION (2 of 7 remaining) [2021-12-06 23:58:07,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION (1 of 7 remaining) [2021-12-06 23:58:07,960 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION (0 of 7 remaining) [2021-12-06 23:58:07,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 23:58:08,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 23:58:08,170 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-06 23:58:08,178 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 23:58:08,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 11:58:08 BoogieIcfgContainer [2021-12-06 23:58:08,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 23:58:08,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:58:08,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:58:08,215 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:58:08,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:58:06" (3/4) ... [2021-12-06 23:58:08,219 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:58:08,219 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:58:08,220 INFO L158 Benchmark]: Toolchain (without parser) took 2192.07ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 37.7MB in the beginning and 31.2MB in the end (delta: 6.5MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-12-06 23:58:08,220 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory was 40.4MB in the beginning and 40.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:58:08,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.05ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 35.3MB in the end (delta: 2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 23:58:08,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.39ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 33.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:58:08,222 INFO L158 Benchmark]: Boogie Preprocessor took 21.84ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 32.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:58:08,223 INFO L158 Benchmark]: RCFGBuilder took 278.73ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 32.2MB in the beginning and 53.5MB in the end (delta: -21.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-12-06 23:58:08,223 INFO L158 Benchmark]: TraceAbstraction took 1511.74ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 31.6MB in the end (delta: 21.2MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-12-06 23:58:08,223 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 73.4MB. Free memory was 31.6MB in the beginning and 31.2MB in the end (delta: 408.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:58:08,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 58.7MB. Free memory was 40.4MB in the beginning and 40.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.05ms. Allocated memory is still 58.7MB. Free memory was 37.5MB in the beginning and 35.3MB in the end (delta: 2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.39ms. Allocated memory is still 58.7MB. Free memory was 35.3MB in the beginning and 33.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.84ms. Allocated memory is still 58.7MB. Free memory was 33.3MB in the beginning and 32.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 278.73ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 32.2MB in the beginning and 53.5MB in the end (delta: -21.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1511.74ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 31.6MB in the end (delta: 21.2MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 73.4MB. Free memory was 31.6MB in the beginning and 31.2MB in the end (delta: 408.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 523]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 523. Possible FailurePath: [L525-L532] union { void *p0; struct { char c[2]; void *p1; void *p2; } str; } data; [L533] data.p0 = malloc(37U) VAL [data={13:0}, malloc(37U)={3:0}] [L534] data.str.p2 = &data VAL [data={13:0}] [L535] data.str.c[1] = sizeof data.str.p1 VAL [data={13:0}] [L536] return 0; [L536] return 0; VAL [\result=0] - UnprovableResult [Line: 533]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 533]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 534]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 534]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 535]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 10 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 2 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 23:58:08,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f6f4da2-23e9-4011-b0e3-0f2043a05edf/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample