./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/invert_string-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/invert_string-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4 --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 ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 01:38:00,414 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:38:00,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:38:00,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:38:00,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:38:00,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:38:00,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:38:00,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:38:00,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:38:00,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:38:00,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:38:00,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:38:00,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:38:00,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:38:00,445 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:38:00,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:38:00,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:38:00,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:38:00,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:38:00,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:38:00,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:38:00,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:38:00,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:38:00,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:38:00,458 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:38:00,459 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:38:00,459 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:38:00,460 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:38:00,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:38:00,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:38:00,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:38:00,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:38:00,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:38:00,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:38:00,464 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:38:00,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:38:00,465 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:38:00,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:38:00,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:38:00,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:38:00,467 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:38:00,467 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:38:00,485 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:38:00,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:38:00,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:38:00,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:38:00,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:38:00,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:38:00,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:38:00,487 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:38:00,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:38:00,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:38:00,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:38:00,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:38:00,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:38:00,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:38:00,489 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:38:00,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:38:00,489 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:38:00,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:38:00,489 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:38:00,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:38:00,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:38:00,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:38:00,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:38:00,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:38:00,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:38:00,490 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:38:00,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:38:00,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:38:00,491 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_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca98535e808a51f7cfa7d21c9d33f259821212a6554e27f29c2bddd9197c0249 [2022-12-15 01:38:00,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:38:00,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:38:00,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:38:00,697 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:38:00,697 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:38:00,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loops/invert_string-3.c [2022-12-15 01:38:03,359 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:38:03,512 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:38:03,513 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/sv-benchmarks/c/loops/invert_string-3.c [2022-12-15 01:38:03,518 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/data/c3610c709/ce4d00f4140f4ad2ab207898b4df9c51/FLAGb2318f8de [2022-12-15 01:38:03,532 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/data/c3610c709/ce4d00f4140f4ad2ab207898b4df9c51 [2022-12-15 01:38:03,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:38:03,535 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:38:03,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:38:03,536 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:38:03,539 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:38:03,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a945a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03, skipping insertion in model container [2022-12-15 01:38:03,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:38:03,555 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:38:03,652 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2022-12-15 01:38:03,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:38:03,675 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:38:03,683 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/sv-benchmarks/c/loops/invert_string-3.c[327,340] [2022-12-15 01:38:03,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:38:03,700 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:38:03,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03 WrapperNode [2022-12-15 01:38:03,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:38:03,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:38:03,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:38:03,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:38:03,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,724 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2022-12-15 01:38:03,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:38:03,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:38:03,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:38:03,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:38:03,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,738 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:38:03,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:38:03,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:38:03,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:38:03,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:03,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:38:03,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:38:03,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:38:03,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:38:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:38:03,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:38:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 01:38:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 01:38:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:38:03,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:38:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 01:38:03,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 01:38:03,857 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:38:03,859 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:38:03,967 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:38:03,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:38:03,994 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-15 01:38:03,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:38:03 BoogieIcfgContainer [2022-12-15 01:38:03,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:38:03,997 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:38:03,997 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:38:04,004 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:38:04,004 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:38:03" (1/1) ... [2022-12-15 01:38:04,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:38:04,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:04,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-12-15 01:38:04,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-12-15 01:38:04,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:38:04,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:04,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2022-12-15 01:38:04,438 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2022-12-15 01:38:04,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:38:04,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:04,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:38:04,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:04,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-12-15 01:38:04,659 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-12-15 01:38:04,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 01:38:04,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:04,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:38:04,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:04,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-12-15 01:38:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-12-15 01:38:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:38:04,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:04,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:05,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:38:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2022-12-15 01:38:05,510 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2022-12-15 01:38:05,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 01:38:05,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:05,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:38:06,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:06,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2022-12-15 01:38:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2022-12-15 01:38:06,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 01:38:06,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:06,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:06,244 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 01:38:06,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:06,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-12-15 01:38:06,534 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-12-15 01:38:06,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 01:38:06,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:06,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:07,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2022-12-15 01:38:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2022-12-15 01:38:07,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:38:07,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:07,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:08,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2022-12-15 01:38:08,463 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2022-12-15 01:38:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:38:08,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:08,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:08,700 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:09,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2022-12-15 01:38:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2022-12-15 01:38:09,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 01:38:09,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:09,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:09,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2022-12-15 01:38:09,451 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2022-12-15 01:38:09,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:38:09,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:09,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:10,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2022-12-15 01:38:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2022-12-15 01:38:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:38:10,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:10,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:10,214 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:10,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-12-15 01:38:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-12-15 01:38:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:38:10,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:10,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:38:16,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:16,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2022-12-15 01:38:16,161 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2022-12-15 01:38:16,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:38:16,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:16,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:38:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:17,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2022-12-15 01:38:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2022-12-15 01:38:17,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 01:38:17,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:17,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:17,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 01:38:18,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:18,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2022-12-15 01:38:18,095 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2022-12-15 01:38:18,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:38:18,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:18,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:18,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:22,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2022-12-15 01:38:22,294 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-12-15 01:38:22,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:38:22,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:22,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:22,469 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:23,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:23,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2022-12-15 01:38:23,685 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2022-12-15 01:38:23,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:38:23,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:23,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:25,442 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:30,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:30,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2022-12-15 01:38:30,140 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-12-15 01:38:30,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 01:38:30,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:30,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-15 01:38:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2022-12-15 01:38:33,864 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2022-12-15 01:38:33,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 01:38:33,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:33,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:38:43,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:43,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2022-12-15 01:38:43,067 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2022-12-15 01:38:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 01:38:43,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:43,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 01:38:55,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:38:55,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2022-12-15 01:38:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2022-12-15 01:38:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 01:38:55,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:38:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:38:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:38:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:39:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:14,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 90 transitions. [2022-12-15 01:39:14,594 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 90 transitions. [2022-12-15 01:39:14,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:39:14,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:14,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:39:33,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 72 states and 137 transitions. [2022-12-15 01:39:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2022-12-15 01:39:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:39:33,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:33,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:39:34,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:34,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 73 states and 140 transitions. [2022-12-15 01:39:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 140 transitions. [2022-12-15 01:39:34,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:39:34,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:34,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:39:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:35,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2022-12-15 01:39:35,857 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2022-12-15 01:39:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:39:35,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:35,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:35,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:35,939 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:39:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 75 states and 149 transitions. [2022-12-15 01:39:36,792 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 149 transitions. [2022-12-15 01:39:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:39:36,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:36,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:36,913 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 5 proven. 35 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:39:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 76 states and 152 transitions. [2022-12-15 01:39:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 152 transitions. [2022-12-15 01:39:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:39:37,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:37,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:39:46,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:46,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 80 states and 161 transitions. [2022-12-15 01:39:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 161 transitions. [2022-12-15 01:39:46,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:39:46,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:46,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:46,843 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 21 proven. 35 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-12-15 01:39:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 82 states and 163 transitions. [2022-12-15 01:39:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 163 transitions. [2022-12-15 01:39:49,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-15 01:39:49,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:49,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 51 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-12-15 01:39:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:50,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 83 states and 167 transitions. [2022-12-15 01:39:50,567 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 167 transitions. [2022-12-15 01:39:50,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:39:50,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:50,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-15 01:39:51,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:51,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 84 states and 168 transitions. [2022-12-15 01:39:51,480 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 168 transitions. [2022-12-15 01:39:51,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:39:51,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:51,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:51,576 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-15 01:39:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 85 states and 170 transitions. [2022-12-15 01:39:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 170 transitions. [2022-12-15 01:39:52,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 01:39:52,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:52,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:52,482 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 37 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-15 01:39:54,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2022-12-15 01:39:54,164 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2022-12-15 01:39:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 01:39:54,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:54,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:54,250 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 53 proven. 35 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-15 01:39:55,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:55,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 88 states and 172 transitions. [2022-12-15 01:39:55,185 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 172 transitions. [2022-12-15 01:39:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 01:39:55,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:39:55,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:39:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:39:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 69 proven. 35 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-15 01:39:56,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:39:56,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2022-12-15 01:39:56,443 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2022-12-15 01:39:56,443 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:39:56,444 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 36 iterations. [2022-12-15 01:39:56,450 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 01:39:57,524 INFO L560 CodeCheckObserver]: Invariant with dag size 94 [2022-12-15 01:39:57,536 INFO L560 CodeCheckObserver]: Invariant with dag size 121 [2022-12-15 01:39:57,543 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2022-12-15 01:39:57,544 INFO L560 CodeCheckObserver]: Invariant with dag size 92 [2022-12-15 01:39:57,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:39:57 ImpRootNode [2022-12-15 01:39:57,548 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:39:57,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:39:57,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:39:57,549 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:39:57,549 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:38:03" (3/4) ... [2022-12-15 01:39:57,551 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:39:57,558 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2022-12-15 01:39:57,558 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 01:39:57,558 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 01:39:57,558 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-15 01:39:57,586 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:39:57,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:39:57,587 INFO L158 Benchmark]: Toolchain (without parser) took 114051.07ms. Allocated memory was 138.4MB in the beginning and 352.3MB in the end (delta: 213.9MB). Free memory was 103.2MB in the beginning and 111.7MB in the end (delta: -8.5MB). Peak memory consumption was 206.7MB. Max. memory is 16.1GB. [2022-12-15 01:39:57,587 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:39:57,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.33ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 92.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:39:57,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.35ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 91.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:39:57,588 INFO L158 Benchmark]: Boogie Preprocessor took 15.86ms. Allocated memory is still 138.4MB. Free memory was 91.1MB in the beginning and 89.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:39:57,588 INFO L158 Benchmark]: RCFGBuilder took 255.29ms. Allocated memory is still 138.4MB. Free memory was 89.8MB in the beginning and 76.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-15 01:39:57,589 INFO L158 Benchmark]: CodeCheck took 113551.68ms. Allocated memory was 138.4MB in the beginning and 352.3MB in the end (delta: 213.9MB). Free memory was 76.4MB in the beginning and 114.9MB in the end (delta: -38.5MB). Peak memory consumption was 177.3MB. Max. memory is 16.1GB. [2022-12-15 01:39:57,589 INFO L158 Benchmark]: Witness Printer took 37.10ms. Allocated memory is still 352.3MB. Free memory was 114.9MB in the beginning and 111.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 01:39:57,591 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 112.4s, OverallIterations: 36, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1958 SdHoareTripleChecker+Valid, 32.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1471 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 28.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5963 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15670 IncrementalHoareTripleChecker+Invalid, 21633 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5963 mSolverCounterUnsat, 140 mSDtfsCounter, 15670 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7592 GetRequests, 6433 SyntacticMatches, 485 SemanticMatches, 674 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254308 ImplicationChecksByTransitivity, 102.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.0s InterpolantComputationTime, 780 NumberOfCodeBlocks, 780 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 745 ConstructedInterpolants, 0 QuantifiedInterpolants, 11948 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 35 InterpolantComputations, 3 PerfectInterpolantSequences, 942/1733 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: 7]: 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: 5]: Loop Invariant Derived loop invariant: (((((((((((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && max <= 2 + i) && i <= 3) && 0 < max / 4294967296 + 1) && 1 <= j) && str2 == 0) && !(str2 == str1)) || (((((((((((3 <= j && 1 <= i) && unknown-#memory_int-unknown[str1][3 + i + str1] == unknown-#memory_int-unknown[str2][0]) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && max <= i + 4) && !(str2 == str1)) && i <= 4294967291 + max / 4294967296 * 4294967296) && i <= 1) && str1 == 0)) || ((((((((((max <= 3 + i && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && i <= 2) && unknown-#memory_int-unknown[str1][2 + i + str1] == unknown-#memory_int-unknown[str2][0]) && 2 <= j) && str2 == 0) && 2 <= i) && !(str2 == str1)) && j <= 2) && i <= 4294967292 + max / 4294967296 * 4294967296) && str1 == 0)) || ((((((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && i <= max / 4294967296 * 4294967296 + 4294967293) && 1 <= j) && str2 == 0) && !(str2 == str1)) && max <= i + 1)) || (((((((((((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && max <= 5) && i == 0) && j <= 4) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && 0 <= max / 4294967296) && 4 <= j) && str1 == 0)) || (((((0 < max / 4294967296 + 1 && !(((((((3 <= j && 1 <= i) && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && i <= 1) && str1 == 0)) && i <= 4) && !(((((((unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3] && i <= 2) && 2 <= j) && str2 == 0) && 2 <= i) && !(str2 == str1)) && j <= 2) && str1 == 0)) && max <= i + 1) && !((((((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && i == 0) && j <= 4) && str2 == 0) && !(str2 == str1)) && 4 <= j) && str1 == 0)) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((((((((((((((((j <= 1 && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][i + str1 + 1]) && i <= max / 4294967296 * 4294967296 + 4294967293) && max <= 2 + i) && 1 <= j) && str2 == 0) && !(str2 == str1)) && i + str1 <= 3) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && str1 == 0) && 2 < i + str1) || ((!(0 < max / 4294967296 + 1 && i <= 4) && i <= max / 4294967296 * 4294967296 + 4294967294) && max <= i)) || ((i == 0 && i <= max / 4294967296 * 4294967296 + 4294967295) && max <= i)) || ((((((!((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && j <= 4) && 4 <= j) && i == 0) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && max <= i + 1) && i <= max / 4294967296 * 4294967296 + 4294967294)) || (((((((i + str1 == 1 && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && !(2 < j + str2 && j <= 3)) && max <= i + 1) && str1 == 0) && i <= max / 4294967296 * 4294967296 + 4294967294)) || (((((((((((unknown-#memory_int-unknown[str1][3 + i + str1] == unknown-#memory_int-unknown[str2][0] && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && 2 < j + str2) && j <= 3) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && i + str1 == 1) && str2 == 0) && max <= i + 4) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && i <= 4294967291 + max / 4294967296 * 4294967296) && str1 == 0)) || ((((((((!((i + str1 <= 2 && 2 <= i) && str1 == 0) && 0 < max / 4294967296 + 1) && !(i + str1 == 1 && str1 == 0)) && str2 == 0) && i <= 4) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && !(i == 0 && str1 == 0)) && max <= i + 1)) || ((i <= max / 4294967296 * 4294967296 + 4294967295 && !((str2 == 0 && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2])) && max <= i)) || ((((((((((((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && max <= 5) && i == 0) && j <= 4) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && 0 <= max / 4294967296) && 4 <= j) && str1 == 0)) || ((((((((str2 == 0 && i + str1 <= 2) && 2 <= i) && !(str2 == str1)) && !((unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3] && 2 <= j) && j <= 2)) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && max <= i + 1) && str1 == 0) && i <= max / 4294967296 * 4294967296 + 4294967294)) || (((((((((((max <= 3 + i && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && unknown-#memory_int-unknown[str1][2 + i + str1] == unknown-#memory_int-unknown[str2][0]) && 2 <= j) && str2 == 0) && i + str1 <= 2) && 2 <= i) && !(str2 == str1)) && j <= 2) && unknown-#memory_int-unknown[str1][i + str1] == unknown-#memory_int-unknown[str2][j + str2]) && i <= 4294967292 + max / 4294967296 * 4294967296) && str1 == 0) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((max <= 5 && 5 <= max) && str2 == 0) && !(str2 == str1)) && str1 == 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: (((((((((((((((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && (max + 4294967295) / 4294967296 * 4294967296 + i + j + str2 == max + 4294967295 + str1) && 4294967291 + max <= (max + 4294967295) / 4294967296 * 4294967296 + i) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && 4294967296 <= (max + 4294967295) / 4294967296 * 4294967296 + i) && (max + 4294967295) / 4294967296 * 4294967296 + i <= 4294967291 + max) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && (max + 4294967295) / 4294967296 * 4294967296 + i <= 4294967296) && !(str2 == str1)) && str1 == 0) || (((((((((((unknown-#memory_int-unknown[str2][3] == unknown-#memory_int-unknown[str1][1] && unknown-#memory_int-unknown[str2][(max + 4294967295) / 4294967296 * -4294967296 + max + 4294967295 + str1] == unknown-#memory_int-unknown[str1][0]) && (max + 4294967295) / 4294967296 * 4294967296 <= 4294967291 + max) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && (max + 4294967295) / 4294967296 * 4294967296 + i <= 4294967295) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && 4294967290 + max <= (max + 4294967295) / 4294967296 * 4294967296 + i) && 0 < (max + 4294967295) / 4294967296) && str1 == 0)) || ((((((((((max + 4294967295 == (max + 4294967295) / 4294967296 * 4294967296 + i + j && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && 4294967297 <= (max + 4294967295) / 4294967296 * 4294967296 + i) && (max + 4294967295) / 4294967296 * 4294967296 + i <= 4294967292 + max) && j <= 3) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && unknown-#memory_int-unknown[str1][2] == unknown-#memory_int-unknown[str2][2]) && str2 == 0) && !(str2 == str1)) && !(4294967298 <= (max + 4294967295) / 4294967296 * 4294967296 + i)) && str1 == 0)) || (((((((((max + 4294967295 == (max + 4294967295) / 4294967296 * 4294967296 + i + j && !(4294967299 <= (max + 4294967295) / 4294967296 * 4294967296 + i)) && unknown-#memory_int-unknown[str2][1] == unknown-#memory_int-unknown[str1][3]) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && 2 <= j) && str2 == 0) && 4294967298 <= (max + 4294967295) / 4294967296 * 4294967296 + i) && !(str2 == str1)) && j <= 2) && str1 == 0)) || ((((((((max + 4294967295 == (max + 4294967295) / 4294967296 * 4294967296 + i + j && 1 <= j) && unknown-#memory_int-unknown[str2][0] == unknown-#memory_int-unknown[str1][4 + str1]) && str2 == 0) && (max + 4294967295) / 4294967296 * 4294967296 + i <= 4294967299) && !(str2 == str1)) && str1 == 0) && 4294967299 <= (max + 4294967295) / 4294967296 * 4294967296 + i) && max + 4294967294 <= (max + 4294967295) / 4294967296 * 4294967296 + i)) || ((((((max <= 5 && 5 <= max) && str2 == 0) && (max + 4294967295) / 4294967296 * 4294967296 + i == max + 4294967295) && !(str2 == str1)) && j == 0) && str1 == 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.33ms. Allocated memory is still 138.4MB. Free memory was 103.2MB in the beginning and 92.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.35ms. Allocated memory is still 138.4MB. Free memory was 92.7MB in the beginning and 91.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.86ms. Allocated memory is still 138.4MB. Free memory was 91.1MB in the beginning and 89.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.29ms. Allocated memory is still 138.4MB. Free memory was 89.8MB in the beginning and 76.4MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 113551.68ms. Allocated memory was 138.4MB in the beginning and 352.3MB in the end (delta: 213.9MB). Free memory was 76.4MB in the beginning and 114.9MB in the end (delta: -38.5MB). Peak memory consumption was 177.3MB. Max. memory is 16.1GB. * Witness Printer took 37.10ms. Allocated memory is still 352.3MB. Free memory was 114.9MB in the beginning and 111.7MB 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! [2022-12-15 01:39:57,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3ce19aa-0829-42c5-8f28-57709679796d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE