./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/loops/array-1.c --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_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/loops/array-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152 --- 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 [2022-12-15 02:21:20,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:21:20,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:21:20,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:21:20,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:21:20,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:21:20,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:21:20,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:21:20,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:21:20,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:21:20,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:21:20,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:21:20,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:21:20,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:21:20,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:21:20,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:21:20,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:21:20,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:21:20,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:21:20,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:21:20,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:21:20,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:21:20,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:21:20,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:21:20,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:21:20,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:21:20,586 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:21:20,587 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:21:20,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:21:20,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:21:20,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:21:20,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:21:20,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:21:20,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:21:20,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:21:20,591 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:21:20,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:21:20,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:21:20,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:21:20,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:21:20,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:21:20,594 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-15 02:21:20,612 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:21:20,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:21:20,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:21:20,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:21:20,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:21:20,614 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:21:20,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:21:20,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:21:20,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:21:20,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:21:20,624 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 02:21:20,624 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 02:21:20,625 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 02:21:20,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:21:20,625 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:21:20,625 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:21:20,625 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:21:20,625 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:21:20,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:21:20,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:21:20,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:21:20,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:21:20,626 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:21:20,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:21:20,627 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_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 229f3e8ce4e3b13e76b58dc42b5f9a4638bd79f9f3aa927499d1d902ea457152 [2022-12-15 02:21:20,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:21:20,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:21:20,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:21:20,839 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:21:20,840 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:21:20,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loops/array-1.c [2022-12-15 02:21:23,340 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:21:23,473 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:21:23,473 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/sv-benchmarks/c/loops/array-1.c [2022-12-15 02:21:23,477 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/data/20cde49bd/d22bdced9c0d42be9c76d2c477f5d512/FLAGe81e1bfec [2022-12-15 02:21:23,898 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/data/20cde49bd/d22bdced9c0d42be9c76d2c477f5d512 [2022-12-15 02:21:23,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:21:23,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:21:23,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:21:23,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:21:23,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:21:23,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:21:23" (1/1) ... [2022-12-15 02:21:23,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5033c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:23, skipping insertion in model container [2022-12-15 02:21:23,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:21:23" (1/1) ... [2022-12-15 02:21:23,914 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:21:23,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:21:24,034 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/sv-benchmarks/c/loops/array-1.c[319,332] [2022-12-15 02:21:24,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:21:24,055 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:21:24,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/sv-benchmarks/c/loops/array-1.c[319,332] [2022-12-15 02:21:24,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:21:24,084 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:21:24,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24 WrapperNode [2022-12-15 02:21:24,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:21:24,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:21:24,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:21:24,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:21:24,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,116 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2022-12-15 02:21:24,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:21:24,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:21:24,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:21:24,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:21:24,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,135 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:21:24,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:21:24,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:21:24,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:21:24,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:21:24,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:21:24,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:21:24,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:21:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:21:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:21:24,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:21:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:21:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:21:24,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:21:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:21:24,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:21:24,267 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:21:24,269 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:21:24,375 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:21:24,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:21:24,399 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:21:24,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:21:24 BoogieIcfgContainer [2022-12-15 02:21:24,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:21:24,402 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:21:24,402 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:21:24,409 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:21:24,410 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:21:24" (1/1) ... [2022-12-15 02:21:24,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:21:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2022-12-15 02:21:24,453 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-12-15 02:21:24,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 02:21:24,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:24,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:24,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:24,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:24,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-12-15 02:21:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-12-15 02:21:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 02:21:24,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:24,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:24,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:24,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:24,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-12-15 02:21:24,874 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-12-15 02:21:24,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 02:21:24,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:24,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-12-15 02:21:24,931 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-12-15 02:21:24,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 02:21:24,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:24,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:25,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2022-12-15 02:21:25,378 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2022-12-15 02:21:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:21:25,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:25,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:25,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2022-12-15 02:21:25,411 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2022-12-15 02:21:25,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:21:25,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:25,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:25,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:25,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2022-12-15 02:21:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2022-12-15 02:21:25,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:21:25,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:25,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-12-15 02:21:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-12-15 02:21:25,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:21:25,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:25,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2022-12-15 02:21:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2022-12-15 02:21:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:21:25,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:25,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:25,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:25,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-12-15 02:21:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-12-15 02:21:25,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:21:25,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:25,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:25,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:26,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2022-12-15 02:21:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2022-12-15 02:21:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:21:26,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:26,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:26,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:27,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:27,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2022-12-15 02:21:27,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2022-12-15 02:21:27,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:21:27,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:27,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2022-12-15 02:21:28,028 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-12-15 02:21:28,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:21:28,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:28,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2022-12-15 02:21:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2022-12-15 02:21:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:21:28,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:28,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2022-12-15 02:21:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-12-15 02:21:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:21:28,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:28,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:28,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:30,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2022-12-15 02:21:30,525 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2022-12-15 02:21:30,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 02:21:30,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:30,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:31,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:32,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:32,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 45 states and 71 transitions. [2022-12-15 02:21:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 71 transitions. [2022-12-15 02:21:32,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 02:21:32,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:32,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:21:35,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:35,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 55 states and 90 transitions. [2022-12-15 02:21:35,184 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 90 transitions. [2022-12-15 02:21:35,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:21:35,185 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:35,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:21:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 59 states and 98 transitions. [2022-12-15 02:21:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2022-12-15 02:21:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:21:36,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:36,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:21:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 68 states and 125 transitions. [2022-12-15 02:21:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 125 transitions. [2022-12-15 02:21:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 02:21:40,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:40,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:21:43,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:43,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2022-12-15 02:21:43,791 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-15 02:21:43,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:21:43,791 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:21:43,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:21:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:21:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 02:21:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:21:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-12-15 02:21:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-12-15 02:21:44,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:21:44,273 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2022-12-15 02:21:44,281 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2022-12-15 02:21:44,644 INFO L560 CodeCheckObserver]: Invariant with dag size 42 [2022-12-15 02:21:44,654 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-12-15 02:21:44,654 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-15 02:21:44,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:21:44 ImpRootNode [2022-12-15 02:21:44,655 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:21:44,655 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:21:44,655 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:21:44,655 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:21:44,656 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:21:24" (3/4) ... [2022-12-15 02:21:44,658 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:21:44,664 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-15 02:21:44,664 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-15 02:21:44,664 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-15 02:21:44,664 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:21:44,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\valid[array := 0] == \old(unknown-main_\old_#valid#1-unknown) && 1 <= SIZE) && \valid[array] == 1) && SIZE * 4 == unknown-#length-unknown[array] + SIZE / 1073741824 * 4294967296) && array == 0) && j == 0) && SIZE <= 1) || (((((((menor <= unknown-#memory_int-unknown[array][array] && \valid[array := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[array] == 1) && 4 <= unknown-#length-unknown[array]) && 0 < SIZE / 4294967296 + 1) && array == 0) && SIZE <= 1) && !(SIZE == 1))) || ((((((menor <= unknown-#memory_int-unknown[array][array] && \valid[array := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[array] == 1) && 4 <= unknown-#length-unknown[array]) && !(j == 0)) && array == 0) && SIZE == 1) [2022-12-15 02:21:44,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[array := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-12-15 02:21:44,681 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-15 02:21:44,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:21:44,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:21:44,690 INFO L158 Benchmark]: Toolchain (without parser) took 20788.15ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 85.5MB in the beginning and 102.7MB in the end (delta: -17.1MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-12-15 02:21:44,690 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:21:44,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.91ms. Allocated memory is still 123.7MB. Free memory was 85.2MB in the beginning and 75.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:21:44,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.21ms. Allocated memory is still 123.7MB. Free memory was 75.0MB in the beginning and 73.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:21:44,692 INFO L158 Benchmark]: Boogie Preprocessor took 20.47ms. Allocated memory is still 123.7MB. Free memory was 73.3MB in the beginning and 72.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:21:44,692 INFO L158 Benchmark]: RCFGBuilder took 263.07ms. Allocated memory is still 123.7MB. Free memory was 72.2MB in the beginning and 59.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 02:21:44,692 INFO L158 Benchmark]: CodeCheck took 20252.85ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 58.7MB in the beginning and 105.8MB in the end (delta: -47.1MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2022-12-15 02:21:44,693 INFO L158 Benchmark]: Witness Printer took 34.16ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:21:44,695 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 23 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 19.9s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1189 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1084 mSDsluCounter, 587 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 450 mSDsCounter, 556 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3132 IncrementalHoareTripleChecker+Invalid, 3688 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 556 mSolverCounterUnsat, 137 mSDtfsCounter, 3132 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1646 GetRequests, 1353 SyntacticMatches, 39 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32505 ImplicationChecksByTransitivity, 16.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 170 NumberOfCodeBlocks, 170 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 2460 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 22/38 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 7]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 13]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (((((((\valid[array := 0] == \old(unknown-main_\old_#valid#1-unknown) && 1 <= SIZE) && \valid[array] == 1) && SIZE * 4 == unknown-#length-unknown[array] + SIZE / 1073741824 * 4294967296) && array == 0) && j == 0) && SIZE <= 1) || (((((((menor <= unknown-#memory_int-unknown[array][array] && \valid[array := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[array] == 1) && 4 <= unknown-#length-unknown[array]) && 0 < SIZE / 4294967296 + 1) && array == 0) && SIZE <= 1) && !(SIZE == 1))) || ((((((menor <= unknown-#memory_int-unknown[array][array] && \valid[array := 0] == \old(unknown-main_\old_#valid#1-unknown)) && \valid[array] == 1) && 4 <= unknown-#length-unknown[array]) && !(j == 0)) && array == 0) && SIZE == 1) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: \valid[array := 0] == \old(unknown-main_\old_#valid#1-unknown) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 123.7MB. Free memory is still 94.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.91ms. Allocated memory is still 123.7MB. Free memory was 85.2MB in the beginning and 75.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.21ms. Allocated memory is still 123.7MB. Free memory was 75.0MB in the beginning and 73.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.47ms. Allocated memory is still 123.7MB. Free memory was 73.3MB in the beginning and 72.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 263.07ms. Allocated memory is still 123.7MB. Free memory was 72.2MB in the beginning and 59.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 20252.85ms. Allocated memory was 123.7MB in the beginning and 155.2MB in the end (delta: 31.5MB). Free memory was 58.7MB in the beginning and 105.8MB in the end (delta: -47.1MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. * Witness Printer took 34.16ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 102.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:21:44,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ac57744-d8d7-4409-9816-71d86599f45b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE