./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8 --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 d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 21:15:58,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 21:15:58,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 21:15:59,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 21:15:59,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 21:15:59,011 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 21:15:59,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 21:15:59,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 21:15:59,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 21:15:59,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 21:15:59,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 21:15:59,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 21:15:59,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 21:15:59,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 21:15:59,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 21:15:59,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 21:15:59,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 21:15:59,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 21:15:59,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 21:15:59,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 21:15:59,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 21:15:59,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 21:15:59,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 21:15:59,025 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 21:15:59,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 21:15:59,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 21:15:59,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 21:15:59,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 21:15:59,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 21:15:59,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 21:15:59,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 21:15:59,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 21:15:59,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 21:15:59,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 21:15:59,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 21:15:59,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 21:15:59,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 21:15:59,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 21:15:59,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 21:15:59,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 21:15:59,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 21:15:59,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2022-12-13 21:15:59,056 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 21:15:59,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 21:15:59,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 21:15:59,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 21:15:59,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 21:15:59,057 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 21:15:59,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 21:15:59,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 21:15:59,058 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 21:15:59,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 21:15:59,059 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 21:15:59,059 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 21:15:59,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 21:15:59,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 21:15:59,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 21:15:59,059 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-13 21:15:59,060 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-13 21:15:59,060 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-13 21:15:59,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 21:15:59,060 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 21:15:59,060 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 21:15:59,060 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 21:15:59,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 21:15:59,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 21:15:59,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 21:15:59,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:15:59,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 21:15:59,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 21:15:59,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 21:15:59,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 21:15:59,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 21:15:59,062 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 21:15:59,062 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 21:15:59,062 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 21:15:59,063 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 [2022-12-13 21:15:59,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 21:15:59,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 21:15:59,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 21:15:59,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 21:15:59,277 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 21:15:59,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2022-12-13 21:16:01,779 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 21:16:01,980 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 21:16:01,981 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2022-12-13 21:16:01,990 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/data/0c371e493/bd921c8510c949278fc2b66c35aaf756/FLAGaa0ecc930 [2022-12-13 21:16:02,369 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/data/0c371e493/bd921c8510c949278fc2b66c35aaf756 [2022-12-13 21:16:02,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 21:16:02,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 21:16:02,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 21:16:02,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 21:16:02,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 21:16:02,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@790ecff7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02, skipping insertion in model container [2022-12-13 21:16:02,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 21:16:02,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 21:16:02,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:16:02,570 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 21:16:02,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 21:16:02,612 INFO L208 MainTranslator]: Completed translation [2022-12-13 21:16:02,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02 WrapperNode [2022-12-13 21:16:02,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 21:16:02,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 21:16:02,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 21:16:02,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 21:16:02,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,640 INFO L138 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2022-12-13 21:16:02,641 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 21:16:02,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 21:16:02,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 21:16:02,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 21:16:02,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,656 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,656 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 21:16:02,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 21:16:02,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 21:16:02,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 21:16:02,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (1/1) ... [2022-12-13 21:16:02,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 21:16:02,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:16:02,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 21:16:02,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 21:16:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 21:16:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 21:16:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 21:16:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 21:16:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 21:16:02,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 21:16:02,799 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 21:16:02,801 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 21:16:02,941 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 21:16:02,946 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 21:16:02,946 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 21:16:02,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:16:02 BoogieIcfgContainer [2022-12-13 21:16:02,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 21:16:02,949 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 21:16:02,949 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 21:16:02,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 21:16:02,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 09:16:02" (1/3) ... [2022-12-13 21:16:02,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbbd545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:16:02, skipping insertion in model container [2022-12-13 21:16:02,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 09:16:02" (2/3) ... [2022-12-13 21:16:02,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbbd545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 09:16:02, skipping insertion in model container [2022-12-13 21:16:02,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:16:02" (3/3) ... [2022-12-13 21:16:02,954 INFO L112 eAbstractionObserver]: Analyzing ICFG mult_array_unsafe.i [2022-12-13 21:16:02,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 21:16:02,968 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-12-13 21:16:03,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 21:16:03,009 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7325666b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 21:16:03,009 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-13 21:16:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 20 states have (on average 1.7) internal successors, (34), 27 states have internal predecessors, (34), 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) [2022-12-13 21:16:03,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 21:16:03,017 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:16:03,018 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:03,018 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-12-13 21:16:03,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:03,022 INFO L85 PathProgramCache]: Analyzing trace with hash 119383862, now seen corresponding path program 1 times [2022-12-13 21:16:03,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:03,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945026108] [2022-12-13 21:16:03,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:03,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:03,121 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 21:16:03,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [135772203] [2022-12-13 21:16:03,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:03,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:16:03,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:16:03,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:16:03,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 21:16:03,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 21:16:03,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 21:16:03,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 21:16:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 21:16:03,272 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 21:16:03,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 21:16:03,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945026108] [2022-12-13 21:16:03,273 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-13 21:16:03,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135772203] [2022-12-13 21:16:03,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135772203] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 21:16:03,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 21:16:03,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 21:16:03,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497181619] [2022-12-13 21:16:03,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 21:16:03,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 21:16:03,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 21:16:03,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 21:16:03,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 21:16:03,306 INFO L87 Difference]: Start difference. First operand has 28 states, 20 states have (on average 1.7) internal successors, (34), 27 states have internal predecessors, (34), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 3 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) [2022-12-13 21:16:03,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 21:16:03,348 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-12-13 21:16:03,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 21:16:03,350 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 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) Word has length 8 [2022-12-13 21:16:03,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 21:16:03,356 INFO L225 Difference]: With dead ends: 28 [2022-12-13 21:16:03,356 INFO L226 Difference]: Without dead ends: 26 [2022-12-13 21:16:03,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 21:16:03,360 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 49 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 21:16:03,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 26 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 21:16:03,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-12-13 21:16:03,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-12-13 21:16:03,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 25 states have internal predecessors, (29), 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) [2022-12-13 21:16:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-12-13 21:16:03,382 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 8 [2022-12-13 21:16:03,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 21:16:03,383 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-12-13 21:16:03,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 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) [2022-12-13 21:16:03,383 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-12-13 21:16:03,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-13 21:16:03,384 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 21:16:03,384 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 21:16:03,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 21:16:03,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-13 21:16:03,585 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2022-12-13 21:16:03,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 21:16:03,585 INFO L85 PathProgramCache]: Analyzing trace with hash -594066643, now seen corresponding path program 1 times [2022-12-13 21:16:03,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 21:16:03,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438286732] [2022-12-13 21:16:03,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:03,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 21:16:03,596 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-13 21:16:03,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610945329] [2022-12-13 21:16:03,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 21:16:03,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:16:03,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 21:16:03,598 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 21:16:03,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 21:16:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,656 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 21:16:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 21:16:03,683 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 21:16:03,684 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 21:16:03,685 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 7 remaining) [2022-12-13 21:16:03,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2022-12-13 21:16:03,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2022-12-13 21:16:03,687 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2022-12-13 21:16:03,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2022-12-13 21:16:03,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 7 remaining) [2022-12-13 21:16:03,688 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2022-12-13 21:16:03,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 21:16:03,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 21:16:03,899 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 21:16:03,911 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 21:16:03,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 09:16:03 BoogieIcfgContainer [2022-12-13 21:16:03,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 21:16:03,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 21:16:03,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 21:16:03,943 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 21:16:03,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 09:16:02" (3/4) ... [2022-12-13 21:16:03,945 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-13 21:16:03,968 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c63c63f3-09f7-4c3e-90a5-de7f06484bc5/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 21:16:03,968 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 21:16:03,968 INFO L158 Benchmark]: Toolchain (without parser) took 1596.50ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 91.1MB in the beginning and 93.4MB in the end (delta: -2.3MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,969 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 123.7MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:16:03,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.32ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 75.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.22ms. Allocated memory is still 123.7MB. Free memory was 75.2MB in the beginning and 73.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,970 INFO L158 Benchmark]: Boogie Preprocessor took 16.84ms. Allocated memory is still 123.7MB. Free memory was 73.2MB in the beginning and 71.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:16:03,970 INFO L158 Benchmark]: RCFGBuilder took 289.01ms. Allocated memory is still 123.7MB. Free memory was 71.9MB in the beginning and 59.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,970 INFO L158 Benchmark]: TraceAbstraction took 992.84ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 95.5MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 21:16:03,970 INFO L158 Benchmark]: Witness Printer took 25.59ms. Allocated memory is still 148.9MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 21:16:03,973 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 123.7MB. Free memory is still 98.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.32ms. Allocated memory is still 123.7MB. Free memory was 91.1MB in the beginning and 75.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.22ms. Allocated memory is still 123.7MB. Free memory was 75.2MB in the beginning and 73.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.84ms. Allocated memory is still 123.7MB. Free memory was 73.2MB in the beginning and 71.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 289.01ms. Allocated memory is still 123.7MB. Free memory was 71.9MB in the beginning and 59.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 992.84ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 58.6MB in the beginning and 95.5MB in the end (delta: -36.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 25.59ms. Allocated memory is still 148.9MB. Free memory was 95.5MB in the beginning and 93.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L513] int i, j; [L514] int length = __VERIFIER_nondet_int(); [L515] COND TRUE length < 1 || length >= 2147483647 / sizeof(int) [L515] length = 1 VAL [length=1] [L516] int fac = __VERIFIER_nondet_int(); [L517] COND TRUE fac < 1 || fac >= 2147483647 / (sizeof(int) * length) [L517] fac = 1 VAL [fac=1, length=1] [L518] int *arr = __builtin_alloca (length); [L519] int *arr2 = __builtin_alloca (fac*length); VAL [__builtin_alloca (fac*length)={3:0}, __builtin_alloca (length)={2:0}, arr={2:0}, arr2={3:0}, fac=1, length=1] [L520] COND FALSE !(!arr || !arr2) [L521] i=0 VAL [__builtin_alloca (fac*length)={3:0}, __builtin_alloca (length)={2:0}, arr={2:0}, arr2={3:0}, fac=1, i=0, length=1] [L521] COND TRUE i