./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ --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 64bit --witnessprinter.graph.data.programhash 2bfa9ea18c3859fb14daaafa2138a5573eef07b7f87afeb019dc7effa80c928b --- 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-6b4ec56 [2022-11-20 17:26:19,566 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:26:19,568 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:26:19,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:26:19,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:26:19,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:26:19,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:26:19,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:26:19,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:26:19,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:26:19,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:26:19,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:26:19,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:26:19,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:26:19,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:26:19,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:26:19,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:26:19,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:26:19,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:26:19,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:26:19,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:26:19,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:26:19,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:26:19,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:26:19,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:26:19,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:26:19,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:26:19,671 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:26:19,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:26:19,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:26:19,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:26:19,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:26:19,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:26:19,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:26:19,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:26:19,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:26:19,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:26:19,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:26:19,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:26:19,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:26:19,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:26:19,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-11-20 17:26:19,714 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:26:19,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:26:19,715 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:26:19,715 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:26:19,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:26:19,716 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:26:19,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:26:19,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:26:19,716 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:26:19,717 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:26:19,717 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:26:19,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:26:19,717 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:26:19,717 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:26:19,718 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:26:19,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:26:19,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:19,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:26:19,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:26:19,719 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:26:19,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:26:19,719 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_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bfa9ea18c3859fb14daaafa2138a5573eef07b7f87afeb019dc7effa80c928b [2022-11-20 17:26:19,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:26:19,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:26:19,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:26:19,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:26:19,995 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:26:19,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2022-11-20 17:26:23,056 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:26:23,343 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:26:23,344 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/sv-benchmarks/c/termination-memory-alloca/java_AG313-alloca.i [2022-11-20 17:26:23,356 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/data/6677a3b1c/cb95e4302bbe4b8fa0546720291a54e3/FLAG07e62d386 [2022-11-20 17:26:23,371 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/data/6677a3b1c/cb95e4302bbe4b8fa0546720291a54e3 [2022-11-20 17:26:23,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:26:23,376 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:26:23,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:23,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:26:23,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:26:23,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da0827d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23, skipping insertion in model container [2022-11-20 17:26:23,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:26:23,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:26:23,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:23,731 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:26:23,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:26:23,794 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:26:23,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23 WrapperNode [2022-11-20 17:26:23,795 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:26:23,796 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:23,796 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:26:23,796 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:26:23,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,838 INFO L138 Inliner]: procedures = 111, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-20 17:26:23,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:26:23,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:26:23,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:26:23,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:26:23,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,864 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:26:23,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:26:23,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:26:23,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:26:23,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:26:23" (1/1) ... [2022-11-20 17:26:23,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:26:23,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:26:23,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:26:23,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:26:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:26:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:26:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:26:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:26:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:26:23,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:26:24,068 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:26:24,071 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:26:24,366 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:26:24,399 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:26:24,400 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 17:26:24,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:24 BoogieIcfgContainer [2022-11-20 17:26:24,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:26:24,404 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:26:24,404 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:26:24,417 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:26:24,420 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:24" (1/1) ... [2022-11-20 17:26:24,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:26:24,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2022-11-20 17:26:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-11-20 17:26:24,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:26:24,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:24,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:25,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:25,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2022-11-20 17:26:25,038 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2022-11-20 17:26:25,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-20 17:26:25,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:25,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:25,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:25,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:25,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2022-11-20 17:26:25,477 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2022-11-20 17:26:25,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:26:25,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:25,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:25,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:25,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2022-11-20 17:26:25,738 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2022-11-20 17:26:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-20 17:26:25,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:25,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:26,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2022-11-20 17:26:26,123 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2022-11-20 17:26:26,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:26:26,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:26,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:26,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:26,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2022-11-20 17:26:26,515 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2022-11-20 17:26:26,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:26:26,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:26,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:26,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2022-11-20 17:26:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2022-11-20 17:26:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:26:27,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:27,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:27,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:27,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2022-11-20 17:26:27,547 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2022-11-20 17:26:27,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:26:27,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:27,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:27,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2022-11-20 17:26:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2022-11-20 17:26:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:26:28,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:28,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:28,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 35 states and 37 transitions. [2022-11-20 17:26:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2022-11-20 17:26:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:26:28,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:28,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:28,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2022-11-20 17:26:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-11-20 17:26:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:26:28,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:28,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 36 states and 38 transitions. [2022-11-20 17:26:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2022-11-20 17:26:30,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:26:30,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:30,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2022-11-20 17:26:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2022-11-20 17:26:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:26:31,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:32,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 42 states and 48 transitions. [2022-11-20 17:26:32,213 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2022-11-20 17:26:32,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:26:32,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:32,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:32,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:32,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:32,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2022-11-20 17:26:32,899 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-11-20 17:26:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:26:32,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:32,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:33,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:35,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:35,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2022-11-20 17:26:35,016 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2022-11-20 17:26:35,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:26:35,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:35,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 51 states and 73 transitions. [2022-11-20 17:26:35,459 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions. [2022-11-20 17:26:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:26:35,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:35,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:35,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:35,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 52 states and 73 transitions. [2022-11-20 17:26:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 73 transitions. [2022-11-20 17:26:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:26:35,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:35,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:35,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:35,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:35,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2022-11-20 17:26:35,557 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2022-11-20 17:26:35,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:26:35,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:35,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:35,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:35,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2022-11-20 17:26:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2022-11-20 17:26:35,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:26:35,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:35,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:35,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 55 states and 75 transitions. [2022-11-20 17:26:35,672 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 75 transitions. [2022-11-20 17:26:35,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:26:35,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:35,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:35,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:37,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:37,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 59 states and 85 transitions. [2022-11-20 17:26:37,055 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2022-11-20 17:26:37,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:26:37,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:37,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:37,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2022-11-20 17:26:37,142 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2022-11-20 17:26:37,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:26:37,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:37,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:37,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 57 states and 83 transitions. [2022-11-20 17:26:37,296 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 83 transitions. [2022-11-20 17:26:37,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:26:37,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:37,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:37,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 58 states and 84 transitions. [2022-11-20 17:26:37,809 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2022-11-20 17:26:37,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:26:37,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:37,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:38,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2022-11-20 17:26:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2022-11-20 17:26:38,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:26:38,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:38,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:38,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:39,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 66 states and 97 transitions. [2022-11-20 17:26:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 97 transitions. [2022-11-20 17:26:39,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:26:39,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:39,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:40,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:40,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 102 transitions. [2022-11-20 17:26:40,029 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 102 transitions. [2022-11-20 17:26:40,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:26:40,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:40,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:40,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2022-11-20 17:26:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2022-11-20 17:26:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:26:40,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:40,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:40,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:41,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2022-11-20 17:26:41,063 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2022-11-20 17:26:41,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:26:41,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:26:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 85 states and 129 transitions. [2022-11-20 17:26:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 129 transitions. [2022-11-20 17:26:42,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:26:42,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:26:42,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:42,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 85 states and 128 transitions. [2022-11-20 17:26:42,826 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 128 transitions. [2022-11-20 17:26:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:26:42,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:42,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:26:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 86 states and 128 transitions. [2022-11-20 17:26:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 128 transitions. [2022-11-20 17:26:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:26:43,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:43,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:26:44,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2022-11-20 17:26:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2022-11-20 17:26:44,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:26:44,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:44,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:26:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:44,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 90 states and 136 transitions. [2022-11-20 17:26:44,417 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2022-11-20 17:26:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:26:44,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:44,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 17:26:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 95 states and 140 transitions. [2022-11-20 17:26:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 140 transitions. [2022-11-20 17:26:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:26:44,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:44,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:26:47,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2022-11-20 17:26:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-20 17:26:47,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:26:47,087 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 37 iterations. [2022-11-20 17:26:47,095 INFO L754 CodeCheckObserver]: All specifications hold 25 specifications checked. All of them hold [2022-11-20 17:26:47,521 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:26:47,531 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 17:26:47,539 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2022-11-20 17:26:47,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:26:47 ImpRootNode [2022-11-20 17:26:47,548 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:26:47,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:26:47,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:26:47,549 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:26:47,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:26:24" (3/4) ... [2022-11-20 17:26:47,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:26:47,564 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-20 17:26:47,564 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:26:47,565 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:26:47,565 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:26:47,587 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int))) && y_ref == 0) && \valid[x_ref] == 1) && i + 4 <= unknown-#length-unknown[i]) && i == 0) && x_ref == 0) && \valid[y_ref] == 1) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && 4 <= unknown-#length-unknown[y_ref]) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[i] == 1) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) [2022-11-20 17:26:47,588 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-20 17:26:47,588 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-20 17:26:47,609 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:26:47,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:26:47,610 INFO L158 Benchmark]: Toolchain (without parser) took 24233.88ms. Allocated memory was 192.9MB in the beginning and 406.8MB in the end (delta: 213.9MB). Free memory was 152.6MB in the beginning and 321.4MB in the end (delta: -168.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2022-11-20 17:26:47,610 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:47,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.75ms. Allocated memory is still 192.9MB. Free memory was 152.6MB in the beginning and 137.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:26:47,614 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.29ms. Allocated memory is still 192.9MB. Free memory was 137.3MB in the beginning and 135.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:26:47,614 INFO L158 Benchmark]: Boogie Preprocessor took 27.90ms. Allocated memory is still 192.9MB. Free memory was 135.1MB in the beginning and 133.7MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:26:47,616 INFO L158 Benchmark]: RCFGBuilder took 534.46ms. Allocated memory is still 192.9MB. Free memory was 133.7MB in the beginning and 117.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:26:47,617 INFO L158 Benchmark]: CodeCheck took 23144.79ms. Allocated memory was 192.9MB in the beginning and 406.8MB in the end (delta: 213.9MB). Free memory was 117.7MB in the beginning and 324.5MB in the end (delta: -206.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-11-20 17:26:47,617 INFO L158 Benchmark]: Witness Printer took 60.13ms. Allocated memory is still 406.8MB. Free memory was 324.5MB in the beginning and 321.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:26:47,620 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, 44 locations, 25 error locations. Started 1 CEGAR loops. OverallTime: 22.6s, OverallIterations: 37, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4128 SdHoareTripleChecker+Valid, 20.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3797 mSDsluCounter, 2623 SdHoareTripleChecker+Invalid, 17.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2122 mSDsCounter, 1522 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9459 IncrementalHoareTripleChecker+Invalid, 10981 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1522 mSolverCounterUnsat, 501 mSDtfsCounter, 9459 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3198 GetRequests, 2827 SyntacticMatches, 111 SemanticMatches, 260 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36423 ImplicationChecksByTransitivity, 17.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 354 ConstructedInterpolants, 0 QuantifiedInterpolants, 3172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 36 InterpolantComputations, 36 PerfectInterpolantSequences, 19/19 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: -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: -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: 562]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 25 specifications checked. All of them hold - InvariantResult [Line: 547]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 556]: Loop Invariant Derived loop invariant: (((((((((((!(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int))) && y_ref == 0) && \valid[x_ref] == 1) && i + 4 <= unknown-#length-unknown[i]) && i == 0) && x_ref == 0) && \valid[y_ref] == 1) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && 4 <= unknown-#length-unknown[y_ref]) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && \valid[i] == 1) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 140.5MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.75ms. Allocated memory is still 192.9MB. Free memory was 152.6MB in the beginning and 137.3MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.29ms. Allocated memory is still 192.9MB. Free memory was 137.3MB in the beginning and 135.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.90ms. Allocated memory is still 192.9MB. Free memory was 135.1MB in the beginning and 133.7MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 534.46ms. Allocated memory is still 192.9MB. Free memory was 133.7MB in the beginning and 117.7MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 23144.79ms. Allocated memory was 192.9MB in the beginning and 406.8MB in the end (delta: 213.9MB). Free memory was 117.7MB in the beginning and 324.5MB in the end (delta: -206.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 60.13ms. Allocated memory is still 406.8MB. Free memory was 324.5MB in the beginning and 321.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:26:47,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a210ab64-285a-4e03-88a4-f9c3e368849f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE