./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB --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 c60dc3ce59c2c65912da9b7b458247bdc42b4524b29b39bec7ce63758c18c031 --- 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-dbf71c6-m [2022-10-17 16:51:18,600 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:18,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:18,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:18,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:18,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:18,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:18,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:18,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:18,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:18,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:18,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:18,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:18,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:18,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:18,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:18,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:18,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:18,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:18,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:18,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:18,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:18,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:18,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:18,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:18,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:18,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:18,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:18,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:18,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:18,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:18,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:18,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:18,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:18,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:18,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:18,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:18,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:18,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:18,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:18,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:18,757 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:51:18,783 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:18,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:18,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:18,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:18,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:18,786 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:18,786 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:51:18,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:18,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:18,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:18,787 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:51:18,787 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:51:18,787 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:51:18,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:18,788 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:18,788 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:18,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:18,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:18,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:18,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:18,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:18,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:18,789 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:18,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:18,790 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_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60dc3ce59c2c65912da9b7b458247bdc42b4524b29b39bec7ce63758c18c031 [2022-10-17 16:51:19,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:19,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:19,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:19,110 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:19,111 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:19,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c [2022-10-17 16:51:19,180 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/data/af665ade6/d1781a567f7648938c911558c9aca78a/FLAG5e95a33ef [2022-10-17 16:51:19,719 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:19,719 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength5.c [2022-10-17 16:51:19,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/data/af665ade6/d1781a567f7648938c911558c9aca78a/FLAG5e95a33ef [2022-10-17 16:51:20,003 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/data/af665ade6/d1781a567f7648938c911558c9aca78a [2022-10-17 16:51:20,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:20,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:20,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:20,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:20,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:20,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686bcf22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20, skipping insertion in model container [2022-10-17 16:51:20,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:20,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:20,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:20,320 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:20,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:20,367 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:20,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20 WrapperNode [2022-10-17 16:51:20,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:20,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:20,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:20,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:20,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,417 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-10-17 16:51:20,418 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:20,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:20,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:20,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:20,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:20,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:20,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:20,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:20,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:20,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:20,519 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:20,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b00244dc-a691-4a36-9e98-c87e6ed7694c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:51:20,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:20,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:20,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:51:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:51:20,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:51:20,658 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:20,661 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:20,853 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:20,905 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:20,905 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:51:20,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:20 BoogieIcfgContainer [2022-10-17 16:51:20,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:20,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:20,910 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:20,921 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:20,921 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:20" (1/1) ... [2022-10-17 16:51:20,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:21,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:51:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:51:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:51:21,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:21,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:51:21,397 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:51:21,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:51:21,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:21,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-10-17 16:51:21,621 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-10-17 16:51:21,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:51:21,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:21,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:22,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:22,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-10-17 16:51:22,074 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-10-17 16:51:22,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:51:22,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:22,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:22,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:22,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2022-10-17 16:51:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2022-10-17 16:51:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:22,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:22,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2022-10-17 16:51:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2022-10-17 16:51:23,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:23,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:23,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:23,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:23,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-10-17 16:51:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 16:51:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:23,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:23,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-10-17 16:51:23,532 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-10-17 16:51:23,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:51:23,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:23,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:23,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:24,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2022-10-17 16:51:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2022-10-17 16:51:24,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:51:24,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:24,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:24,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:26,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 78 transitions. [2022-10-17 16:51:26,425 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2022-10-17 16:51:26,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:26,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:26,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:26,680 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 48 states and 83 transitions. [2022-10-17 16:51:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 83 transitions. [2022-10-17 16:51:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:27,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:27,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:27,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:30,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:30,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2022-10-17 16:51:30,618 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2022-10-17 16:51:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:30,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:30,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2022-10-17 16:51:31,944 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2022-10-17 16:51:31,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:31,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:31,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:33,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 65 states and 120 transitions. [2022-10-17 16:51:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 120 transitions. [2022-10-17 16:51:33,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:51:33,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:33,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:33,613 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 68 states and 126 transitions. [2022-10-17 16:51:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 126 transitions. [2022-10-17 16:51:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:51:35,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:35,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:35,604 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:51:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:37,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 71 states and 132 transitions. [2022-10-17 16:51:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2022-10-17 16:51:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:37,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:37,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:37,443 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:51:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:37,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 73 states and 136 transitions. [2022-10-17 16:51:37,973 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 136 transitions. [2022-10-17 16:51:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:37,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:37,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:38,004 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:51:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 73 states and 135 transitions. [2022-10-17 16:51:38,526 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 135 transitions. [2022-10-17 16:51:38,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:51:38,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:38,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:51:44,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:44,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 88 states and 167 transitions. [2022-10-17 16:51:44,273 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 167 transitions. [2022-10-17 16:51:44,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:51:44,281 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:44,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:51:46,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:46,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 95 states and 179 transitions. [2022-10-17 16:51:46,803 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 179 transitions. [2022-10-17 16:51:46,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:51:46,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:46,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:46,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:49,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 101 states and 186 transitions. [2022-10-17 16:51:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 186 transitions. [2022-10-17 16:51:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:51:49,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:49,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.