./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test22-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/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_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test22-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f --- 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 16:51:55,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:55,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:55,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:55,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:55,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:55,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:55,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:55,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:55,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:55,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:55,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:55,693 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:55,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:55,698 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:55,701 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:55,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:55,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:55,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:55,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:55,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:55,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:55,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:55,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:55,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:55,736 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:55,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:55,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:55,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:55,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:55,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:55,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:55,745 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:55,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:55,747 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:55,747 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:55,748 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:55,748 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:55,748 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:55,749 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:55,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:55,751 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:55,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:55,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:55,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:55,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:55,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:55,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:55,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:55,784 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:55,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:55,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:55,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:55,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:55,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:55,786 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:55,787 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:55,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:55,787 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:55,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:55,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:55,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:55,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:55,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:55,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:55,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:55,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:55,789 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:55,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:55,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:55,790 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_8525de4b-bbc2-453f-99e3-02433f4b4b85/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1ce1c36cc17bb5fac8e93fbe54fbc2a77334d62ad40c06c722f9da96af2516f [2022-10-17 16:51:56,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:56,087 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:56,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:56,091 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:56,092 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:56,094 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/ldv-regression/test22-1.c [2022-10-17 16:51:56,168 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/data/528bc6e4e/1ce836fba5fa4df99d0bafd8f33135be/FLAG974a0ba64 [2022-10-17 16:51:56,615 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:56,615 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/sv-benchmarks/c/ldv-regression/test22-1.c [2022-10-17 16:51:56,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/data/528bc6e4e/1ce836fba5fa4df99d0bafd8f33135be/FLAG974a0ba64 [2022-10-17 16:51:57,001 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/data/528bc6e4e/1ce836fba5fa4df99d0bafd8f33135be [2022-10-17 16:51:57,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:57,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:57,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:57,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:57,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:57,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548c2c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57, skipping insertion in model container [2022-10-17 16:51:57,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:57,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:57,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/sv-benchmarks/c/ldv-regression/test22-1.c[1029,1042] [2022-10-17 16:51:57,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:57,331 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:57,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/sv-benchmarks/c/ldv-regression/test22-1.c[1029,1042] [2022-10-17 16:51:57,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:57,383 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:57,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57 WrapperNode [2022-10-17 16:51:57,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:57,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:57,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:57,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:57,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,444 INFO L138 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 85 [2022-10-17 16:51:57,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:57,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:57,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:57,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:57,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,480 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:57,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:57,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:57,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:57,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:57" (1/1) ... [2022-10-17 16:51:57,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:57,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:57,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:57,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:57,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:51:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2022-10-17 16:51:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2022-10-17 16:51:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:51:57,703 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:57,705 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:58,006 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:58,066 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:58,066 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:51:58,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:58 BoogieIcfgContainer [2022-10-17 16:51:58,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:58,070 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:58,070 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:58,081 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:58,081 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:58" (1/1) ... [2022-10-17 16:51:58,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-10-17 16:51:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-10-17 16:51:58,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:51:58,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:58,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:58,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:58,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:58,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:51:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:51:58,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:51:58,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:58,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:59,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2022-10-17 16:51:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2022-10-17 16:51:59,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:51:59,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:59,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-10-17 16:51:59,840 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-10-17 16:51:59,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:51:59,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:59,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:00,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:00,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:52:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:52:00,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:52:00,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:00,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:01,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2022-10-17 16:52:01,235 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2022-10-17 16:52:01,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:52:01,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:01,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:01,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:01,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2022-10-17 16:52:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2022-10-17 16:52:01,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:52:01,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:01,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:02,256 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:02,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:02,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2022-10-17 16:52:02,737 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2022-10-17 16:52:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:52:02,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:02,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:03,210 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:03,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:03,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 33 states and 71 transitions. [2022-10-17 16:52:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 71 transitions. [2022-10-17 16:52:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:52:03,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:03,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:04,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 35 states and 82 transitions. [2022-10-17 16:52:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 82 transitions. [2022-10-17 16:52:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:52:04,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:04,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:05,126 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:05,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 37 states and 94 transitions. [2022-10-17 16:52:05,694 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 94 transitions. [2022-10-17 16:52:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:52:05,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 39 states and 96 transitions. [2022-10-17 16:52:06,803 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 96 transitions. [2022-10-17 16:52:06,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:52:06,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:06,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:10,083 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 1 proven. 112 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:52:18,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 64 states and 216 transitions. [2022-10-17 16:52:18,527 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 216 transitions. [2022-10-17 16:52:18,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:52:18,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:18,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:20,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:20,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 65 states and 226 transitions. [2022-10-17 16:52:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 226 transitions. [2022-10-17 16:52:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:52:20,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:20,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:20,766 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:22,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:22,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 66 states and 217 transitions. [2022-10-17 16:52:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 217 transitions. [2022-10-17 16:52:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:52:22,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:22,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:22,762 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:23,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:23,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 66 states and 206 transitions. [2022-10-17 16:52:23,688 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 206 transitions. [2022-10-17 16:52:23,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:52:23,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:23,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:24,417 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 103 proven. 29 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:25,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:25,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 44 transitions. [2022-10-17 16:52:25,751 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2022-10-17 16:52:25,751 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:52:25,752 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2022-10-17 16:52:25,760 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:52:26,006 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:52:26,010 INFO L560 CodeCheckObserver]: Invariant with dag size 74 [2022-10-17 16:52:26,031 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:52:26,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:52:26 ImpRootNode [2022-10-17 16:52:26,032 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:52:26,033 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:52:26,033 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:52:26,033 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:52:26,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:58" (3/4) ... [2022-10-17 16:52:26,036 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:52:26,047 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure get_dummy [2022-10-17 16:52:26,051 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-10-17 16:52:26,051 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-10-17 16:52:26,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 16:52:26,052 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:52:26,106 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:52:26,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:52:26,108 INFO L158 Benchmark]: Toolchain (without parser) took 29102.27ms. Allocated memory was 88.1MB in the beginning and 283.1MB in the end (delta: 195.0MB). Free memory was 49.3MB in the beginning and 96.5MB in the end (delta: -47.2MB). Peak memory consumption was 147.5MB. Max. memory is 16.1GB. [2022-10-17 16:52:26,108 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 66.0MB in the beginning and 66.0MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:26,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.91ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 63.1MB in the end (delta: -14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:52:26,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.34ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 61.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:26,110 INFO L158 Benchmark]: Boogie Preprocessor took 45.75ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 60.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:52:26,110 INFO L158 Benchmark]: RCFGBuilder took 577.07ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 44.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:52:26,111 INFO L158 Benchmark]: CodeCheck took 27962.50ms. Allocated memory was 88.1MB in the beginning and 283.1MB in the end (delta: 195.0MB). Free memory was 44.9MB in the beginning and 99.6MB in the end (delta: -54.7MB). Peak memory consumption was 141.5MB. Max. memory is 16.1GB. [2022-10-17 16:52:26,111 INFO L158 Benchmark]: Witness Printer took 74.17ms. Allocated memory is still 283.1MB. Free memory was 99.6MB in the beginning and 96.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:52:26,114 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 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 929 SdHoareTripleChecker+Valid, 9.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240 mSDsluCounter, 321 SdHoareTripleChecker+Invalid, 7.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1594 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6229 IncrementalHoareTripleChecker+Invalid, 7823 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1594 mSolverCounterUnsat, 321 mSDtfsCounter, 6229 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6651 GetRequests, 6293 SyntacticMatches, 80 SemanticMatches, 278 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42478 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 485 ConstructedInterpolants, 0 QuantifiedInterpolants, 2670 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 506/1064 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: 50]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((unknown-#memory_int-unknown[pd2][pd2] == 2 + i && 2 + i <= unknown-#memory_int-unknown[pa][pa]) && !(3 + i <= unknown-#memory_int-unknown[pa][pa])) || ((unknown-#memory_int-unknown[pd2][pd2] == 7 + i && !(i + 8 <= unknown-#memory_int-unknown[pa][pa])) && 7 + i <= unknown-#memory_int-unknown[pa][pa])) || ((unknown-#memory_int-unknown[pd2][pd2] == 9 + i && 9 + i <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pa][pa] <= 9 + i)) || ((unknown-#memory_int-unknown[pd2][pd2] == i + 1 && i + 1 <= unknown-#memory_int-unknown[pa][pa]) && !(2 + i <= unknown-#memory_int-unknown[pa][pa]))) || (!(i + 1 <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pd2][pd2] == i)) || ((5 + i <= unknown-#memory_int-unknown[pa][pa] && 5 + i == unknown-#memory_int-unknown[pd2][pd2]) && !(6 + i <= unknown-#memory_int-unknown[pa][pa]))) || ((i + 4 <= unknown-#memory_int-unknown[pa][pa] && !(5 + i <= unknown-#memory_int-unknown[pa][pa])) && i + 4 == unknown-#memory_int-unknown[pd2][pd2])) || ((!(7 + i <= unknown-#memory_int-unknown[pa][pa]) && 6 + i <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pd2][pd2] == 6 + i)) || ((!(9 + i <= unknown-#memory_int-unknown[pa][pa]) && i + 8 <= unknown-#memory_int-unknown[pa][pa]) && unknown-#memory_int-unknown[pd2][pd2] == i + 8)) || ((3 + i <= unknown-#memory_int-unknown[pa][pa] && 3 + i == unknown-#memory_int-unknown[pd2][pd2]) && !(i + 4 <= unknown-#memory_int-unknown[pa][pa]))) || ((unknown-#memory_int-unknown[pd2][pd2] == i + 10 && pa == pd2) && pd2 == pa) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: unknown-#memory_int-unknown[pd2][pd2] == i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 88.1MB. Free memory was 66.0MB in the beginning and 66.0MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.91ms. Allocated memory is still 88.1MB. Free memory was 49.1MB in the beginning and 63.1MB in the end (delta: -14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.34ms. Allocated memory is still 88.1MB. Free memory was 62.9MB in the beginning and 61.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.75ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 60.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 577.07ms. Allocated memory is still 88.1MB. Free memory was 60.0MB in the beginning and 44.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 27962.50ms. Allocated memory was 88.1MB in the beginning and 283.1MB in the end (delta: 195.0MB). Free memory was 44.9MB in the beginning and 99.6MB in the end (delta: -54.7MB). Peak memory consumption was 141.5MB. Max. memory is 16.1GB. * Witness Printer took 74.17ms. Allocated memory is still 283.1MB. Free memory was 99.6MB in the beginning and 96.5MB 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! [2022-10-17 16:52:26,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8525de4b-bbc2-453f-99e3-02433f4b4b85/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE