./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows 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_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/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_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 --- 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 17:08:09,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:08:09,736 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:08:09,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:08:09,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:08:09,771 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:08:09,772 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:08:09,774 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:08:09,776 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:08:09,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:08:09,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:08:09,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:08:09,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:08:09,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:08:09,783 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:08:09,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:08:09,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:08:09,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:08:09,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:08:09,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:08:09,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:08:09,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:08:09,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:08:09,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:08:09,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:08:09,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:08:09,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:08:09,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:08:09,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:08:09,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:08:09,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:08:09,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:08:09,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:08:09,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:08:09,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:08:09,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:08:09,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:08:09,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:08:09,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:08:09,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:08:09,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:08:09,814 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:08:09,867 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:08:09,868 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:08:09,869 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:08:09,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:08:09,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:08:09,870 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:08:09,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:08:09,871 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:08:09,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:08:09,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:08:09,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:08:09,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:08:09,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:08:09,873 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:08:09,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:08:09,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:08:09,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:08:09,873 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:08:09,873 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:08:09,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:08:09,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:08:09,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:08:09,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:08:09,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:08:09,875 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:08:09,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:08:09,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:08:09,875 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_15fd8380-1e22-4a8a-bfec-28a51ed91b88/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9da06905288f50cb44b9fcf3eb01ce9d3ae2a7ce975483c1902e3cc7a41605c5 [2022-11-20 17:08:10,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:08:10,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:08:10,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:08:10,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:08:10,214 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:08:10,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2022-11-20 17:08:13,216 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:08:13,499 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:08:13,501 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/sv-benchmarks/c/termination-memory-alloca/b.15-alloca.i [2022-11-20 17:08:13,542 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/data/267224cdd/f73bdf72a94e423c8d260f7fedf228a1/FLAG04de61b37 [2022-11-20 17:08:13,558 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/data/267224cdd/f73bdf72a94e423c8d260f7fedf228a1 [2022-11-20 17:08:13,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:08:13,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:08:13,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:08:13,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:08:13,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:08:13,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:08:13" (1/1) ... [2022-11-20 17:08:13,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c45caef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:13, skipping insertion in model container [2022-11-20 17:08:13,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:08:13" (1/1) ... [2022-11-20 17:08:13,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:08:13,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:08:13,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:08:13,949 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:08:14,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:08:14,045 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:08:14,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14 WrapperNode [2022-11-20 17:08:14,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:08:14,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:08:14,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:08:14,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:08:14,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,087 INFO L138 Inliner]: procedures = 111, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2022-11-20 17:08:14,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:08:14,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:08:14,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:08:14,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:08:14,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,111 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:08:14,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:08:14,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:08:14,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:08:14,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:08:14,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:08:14,153 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:08:14,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:08:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:08:14,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:08:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:08:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:08:14,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:08:14,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:08:14,313 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:08:14,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:08:14,580 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:08:14,622 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:08:14,622 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:08:14,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:08:14 BoogieIcfgContainer [2022-11-20 17:08:14,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:08:14,629 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:08:14,630 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:08:14,641 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:08:14,642 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:08:14" (1/1) ... [2022-11-20 17:08:14,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:08:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-11-20 17:08:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-11-20 17:08:14,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:08:14,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:14,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:16,489 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 17:08:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:16,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-11-20 17:08:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-11-20 17:08:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 17:08:16,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:16,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:17,535 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 17:08:18,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:18,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2022-11-20 17:08:18,602 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2022-11-20 17:08:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:08:18,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:18,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:19,078 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 17:08:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 33 states and 62 transitions. [2022-11-20 17:08:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 62 transitions. [2022-11-20 17:08:21,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:08:21,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:21,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:21,312 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 17:08:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 35 states and 64 transitions. [2022-11-20 17:08:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2022-11-20 17:08:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 17:08:21,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:21,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:21,783 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:23,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions. [2022-11-20 17:08:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2022-11-20 17:08:23,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 17:08:23,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:23,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:24,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:24,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2022-11-20 17:08:24,118 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2022-11-20 17:08:24,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:08:24,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:24,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:24,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:24,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2022-11-20 17:08:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2022-11-20 17:08:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 17:08:24,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:24,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:26,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:26,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 85 transitions. [2022-11-20 17:08:26,672 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 85 transitions. [2022-11-20 17:08:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:08:26,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:26,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:34,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:34,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 108 transitions. [2022-11-20 17:08:34,873 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 108 transitions. [2022-11-20 17:08:34,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:08:34,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:34,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 60 states and 125 transitions. [2022-11-20 17:08:41,822 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 125 transitions. [2022-11-20 17:08:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:08:41,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:08:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions. [2022-11-20 17:08:42,447 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2022-11-20 17:08:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:08:42,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:42,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:42,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:08:43,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 60 states and 123 transitions. [2022-11-20 17:08:43,171 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 123 transitions. [2022-11-20 17:08:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:08:43,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:43,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:08:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 58 states and 117 transitions. [2022-11-20 17:08:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 117 transitions. [2022-11-20 17:08:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:08:43,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:43,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 130 transitions. [2022-11-20 17:08:47,687 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 130 transitions. [2022-11-20 17:08:47,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:08:47,688 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:47,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:08:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 63 states and 130 transitions. [2022-11-20 17:08:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 130 transitions. [2022-11-20 17:08:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:08:49,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:49,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:50,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:08:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:54,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 69 states and 143 transitions. [2022-11-20 17:08:54,198 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 143 transitions. [2022-11-20 17:08:54,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 17:08:54,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:54,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:08:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 70 states and 144 transitions. [2022-11-20 17:08:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 144 transitions. [2022-11-20 17:08:56,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:08:56,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:56,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:08:56,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:08:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 71 states and 145 transitions. [2022-11-20 17:08:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 145 transitions. [2022-11-20 17:08:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:08:56,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:08:56,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:08:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:08:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:09:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 79 states and 158 transitions. [2022-11-20 17:09:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 158 transitions. [2022-11-20 17:09:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:09:05,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:09:05,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:09:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:09:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:09:07,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:09:07,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2022-11-20 17:09:07,662 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2022-11-20 17:09:07,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:09:07,663 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2022-11-20 17:09:07,671 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:09:08,233 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:09:08,238 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2022-11-20 17:09:08,247 INFO L560 CodeCheckObserver]: Invariant with dag size 30 [2022-11-20 17:09:08,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:09:08 ImpRootNode [2022-11-20 17:09:08,249 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:09:08,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:09:08,250 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:09:08,250 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:09:08,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:08:14" (3/4) ... [2022-11-20 17:09:08,254 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:09:08,264 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-11-20 17:09:08,264 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-20 17:09:08,264 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-20 17:09:08,265 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:09:08,310 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:09:08,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:09:08,312 INFO L158 Benchmark]: Toolchain (without parser) took 54749.80ms. Allocated memory was 192.9MB in the beginning and 513.8MB in the end (delta: 320.9MB). Free memory was 163.0MB in the beginning and 311.8MB in the end (delta: -148.9MB). Peak memory consumption was 171.6MB. Max. memory is 16.1GB. [2022-11-20 17:09:08,312 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 130.0MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:09:08,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.07ms. Allocated memory is still 192.9MB. Free memory was 163.0MB in the beginning and 147.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:09:08,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.40ms. Allocated memory is still 192.9MB. Free memory was 147.3MB in the beginning and 144.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:08,314 INFO L158 Benchmark]: Boogie Preprocessor took 26.71ms. Allocated memory is still 192.9MB. Free memory was 144.6MB in the beginning and 143.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:08,314 INFO L158 Benchmark]: RCFGBuilder took 512.72ms. Allocated memory is still 192.9MB. Free memory was 143.1MB in the beginning and 155.1MB in the end (delta: -12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 17:09:08,315 INFO L158 Benchmark]: CodeCheck took 53620.62ms. Allocated memory was 192.9MB in the beginning and 513.8MB in the end (delta: 320.9MB). Free memory was 155.1MB in the beginning and 315.0MB in the end (delta: -159.9MB). Peak memory consumption was 163.2MB. Max. memory is 16.1GB. [2022-11-20 17:09:08,316 INFO L158 Benchmark]: Witness Printer took 60.98ms. Allocated memory is still 513.8MB. Free memory was 315.0MB in the beginning and 311.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:09:08,318 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, 15 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 53.0s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1360 SdHoareTripleChecker+Valid, 14.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1096 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 12.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 1493 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6863 IncrementalHoareTripleChecker+Invalid, 8356 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1493 mSolverCounterUnsat, 0 mSDtfsCounter, 6863 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3148 GetRequests, 2744 SyntacticMatches, 42 SemanticMatches, 362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57619 ImplicationChecksByTransitivity, 44.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 260 NumberOfCodeBlocks, 260 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 240 ConstructedInterpolants, 0 QuantifiedInterpolants, 2746 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 4 PerfectInterpolantSequences, 85/138 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: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[y_ref][y_ref] <= unknown-#memory_int-unknown[z_ref][z_ref] || (((((!(y_ref == x_ref) && !(z_ref == y_ref)) && !(z_ref == x_ref)) && unknown-#memory_int-unknown[x_ref][x_ref] <= unknown-#memory_int-unknown[y_ref][y_ref]) && unknown-#memory_int-unknown[y_ref][y_ref] <= unknown-#memory_int-unknown[x_ref][x_ref] + unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648) && unknown-#memory_int-unknown[y_ref][y_ref] <= 2147483647) - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (unknown-#memory_int-unknown[y_ref][y_ref] <= unknown-#memory_int-unknown[z_ref][z_ref] || (((!(y_ref == x_ref) && z_ref == x_ref) && 0 <= unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648) && z_ref == x_ref)) || ((((!(y_ref == x_ref) && !(z_ref == y_ref)) && !(z_ref == x_ref)) && 0 <= unknown-#memory_int-unknown[z_ref][z_ref] + 2147483648) && unknown-#memory_int-unknown[x_ref][x_ref] <= 2147483647) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 130.0MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.07ms. Allocated memory is still 192.9MB. Free memory was 163.0MB in the beginning and 147.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.40ms. Allocated memory is still 192.9MB. Free memory was 147.3MB in the beginning and 144.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.71ms. Allocated memory is still 192.9MB. Free memory was 144.6MB in the beginning and 143.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.72ms. Allocated memory is still 192.9MB. Free memory was 143.1MB in the beginning and 155.1MB in the end (delta: -12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 53620.62ms. Allocated memory was 192.9MB in the beginning and 513.8MB in the end (delta: 320.9MB). Free memory was 155.1MB in the beginning and 315.0MB in the end (delta: -159.9MB). Peak memory consumption was 163.2MB. Max. memory is 16.1GB. * Witness Printer took 60.98ms. Allocated memory is still 513.8MB. Free memory was 315.0MB in the beginning and 311.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:09:08,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15fd8380-1e22-4a8a-bfec-28a51ed91b88/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE