./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.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_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/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_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/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_84c8cbc1-3b0e-4805-ab94-796112d0f777/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 471d591bac756b3641e5eebd3ed64b220338148881b3c7fbab3f4295451226cd --- 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 [2022-12-14 17:51:20,776 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 17:51:20,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 17:51:20,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 17:51:20,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 17:51:20,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 17:51:20,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 17:51:20,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 17:51:20,803 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 17:51:20,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 17:51:20,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 17:51:20,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 17:51:20,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 17:51:20,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 17:51:20,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 17:51:20,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 17:51:20,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 17:51:20,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 17:51:20,814 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 17:51:20,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 17:51:20,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 17:51:20,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 17:51:20,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 17:51:20,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 17:51:20,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 17:51:20,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 17:51:20,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 17:51:20,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 17:51:20,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 17:51:20,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 17:51:20,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 17:51:20,827 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 17:51:20,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 17:51:20,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 17:51:20,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 17:51:20,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 17:51:20,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 17:51:20,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 17:51:20,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 17:51:20,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 17:51:20,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 17:51:20,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 17:51:20,853 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 17:51:20,853 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 17:51:20,854 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 17:51:20,854 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 17:51:20,855 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 17:51:20,855 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 17:51:20,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 17:51:20,855 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 17:51:20,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 17:51:20,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 17:51:20,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 17:51:20,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 17:51:20,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 17:51:20,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 17:51:20,857 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 17:51:20,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 17:51:20,857 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 17:51:20,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 17:51:20,857 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 17:51:20,858 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 17:51:20,858 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 17:51:20,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:51:20,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 17:51:20,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 17:51:20,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 17:51:20,858 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 17:51:20,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 17:51:20,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 17:51:20,859 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_84c8cbc1-3b0e-4805-ab94-796112d0f777/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 471d591bac756b3641e5eebd3ed64b220338148881b3c7fbab3f4295451226cd [2022-12-14 17:51:21,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 17:51:21,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 17:51:21,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 17:51:21,076 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 17:51:21,077 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 17:51:21,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2022-12-14 17:51:23,619 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 17:51:23,821 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 17:51:23,821 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2022-12-14 17:51:23,831 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/data/5199209ba/9d0422651a6649a48c956e15706ef9ab/FLAG4d3cb009a [2022-12-14 17:51:24,174 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/data/5199209ba/9d0422651a6649a48c956e15706ef9ab [2022-12-14 17:51:24,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 17:51:24,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 17:51:24,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 17:51:24,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 17:51:24,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 17:51:24,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca6645b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24, skipping insertion in model container [2022-12-14 17:51:24,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 17:51:24,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 17:51:24,462 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_84c8cbc1-3b0e-4805-ab94-796112d0f777/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2022-12-14 17:51:24,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:51:24,489 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 17:51:24,545 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_84c8cbc1-3b0e-4805-ab94-796112d0f777/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2022-12-14 17:51:24,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:51:24,563 INFO L208 MainTranslator]: Completed translation [2022-12-14 17:51:24,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24 WrapperNode [2022-12-14 17:51:24,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 17:51:24,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 17:51:24,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 17:51:24,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 17:51:24,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,611 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-12-14 17:51:24,611 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 17:51:24,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 17:51:24,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 17:51:24,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 17:51:24,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,643 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 17:51:24,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 17:51:24,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 17:51:24,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 17:51:24,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:51:24" (1/1) ... [2022-12-14 17:51:24,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:51:24,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 17:51:24,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 17:51:24,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 17:51:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 17:51:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 17:51:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 17:51:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 17:51:24,780 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 17:51:24,782 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 17:51:25,501 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 17:51:25,646 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 17:51:25,647 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 17:51:25,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:25 BoogieIcfgContainer [2022-12-14 17:51:25,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 17:51:25,649 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 17:51:25,649 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 17:51:25,656 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 17:51:25,656 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:25" (1/1) ... [2022-12-14 17:51:25,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 17:51:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-12-14 17:51:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-12-14 17:51:25,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 17:51:25,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:25,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2022-12-14 17:51:26,373 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2022-12-14 17:51:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 17:51:26,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:26,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:26,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:26,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2022-12-14 17:51:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2022-12-14 17:51:26,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 17:51:26,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:26,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2022-12-14 17:51:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2022-12-14 17:51:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 17:51:27,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:27,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2022-12-14 17:51:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2022-12-14 17:51:27,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 17:51:27,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:27,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 17:51:27,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2022-12-14 17:51:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2022-12-14 17:51:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-14 17:51:27,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:27,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:27,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:27,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2022-12-14 17:51:27,524 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2022-12-14 17:51:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 17:51:27,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:27,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2022-12-14 17:51:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2022-12-14 17:51:27,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 17:51:27,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:27,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:27,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2022-12-14 17:51:27,898 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2022-12-14 17:51:27,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 17:51:27,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:27,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:28,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 386 states and 502 transitions. [2022-12-14 17:51:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 502 transitions. [2022-12-14 17:51:28,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 17:51:28,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:28,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:28,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 410 states and 529 transitions. [2022-12-14 17:51:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 529 transitions. [2022-12-14 17:51:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 17:51:28,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:28,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 17:51:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 413 states and 534 transitions. [2022-12-14 17:51:28,943 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 534 transitions. [2022-12-14 17:51:28,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 17:51:28,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:28,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 17:51:29,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 422 states and 544 transitions. [2022-12-14 17:51:29,099 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 544 transitions. [2022-12-14 17:51:29,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 17:51:29,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:29,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:29,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:29,174 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 17:51:29,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:29,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 440 states and 565 transitions. [2022-12-14 17:51:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 565 transitions. [2022-12-14 17:51:29,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 17:51:29,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:29,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 17:51:29,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:29,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 443 states and 568 transitions. [2022-12-14 17:51:29,490 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 568 transitions. [2022-12-14 17:51:29,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-12-14 17:51:29,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:29,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 17:51:29,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:29,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 445 states and 570 transitions. [2022-12-14 17:51:29,598 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 570 transitions. [2022-12-14 17:51:29,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-14 17:51:29,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:29,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:29,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 524 states and 654 transitions. [2022-12-14 17:51:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 654 transitions. [2022-12-14 17:51:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 17:51:30,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:30,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:51:30,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:30,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 548 states and 683 transitions. [2022-12-14 17:51:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 683 transitions. [2022-12-14 17:51:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-14 17:51:30,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:30,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 17:51:30,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:30,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 584 states and 722 transitions. [2022-12-14 17:51:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 722 transitions. [2022-12-14 17:51:30,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-12-14 17:51:30,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:30,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 631 states and 780 transitions. [2022-12-14 17:51:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 780 transitions. [2022-12-14 17:51:31,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 17:51:31,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:31,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:31,745 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 17:51:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:32,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 661 states and 813 transitions. [2022-12-14 17:51:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 813 transitions. [2022-12-14 17:51:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-14 17:51:32,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:32,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 17:51:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 695 states and 850 transitions. [2022-12-14 17:51:32,327 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 850 transitions. [2022-12-14 17:51:32,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 17:51:32,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 17:51:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 746 states and 910 transitions. [2022-12-14 17:51:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 910 transitions. [2022-12-14 17:51:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-12-14 17:51:32,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:32,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:32,977 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 17:51:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 756 states and 919 transitions. [2022-12-14 17:51:33,076 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 919 transitions. [2022-12-14 17:51:33,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-14 17:51:33,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:33,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:34,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:34,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 825 states and 994 transitions. [2022-12-14 17:51:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 994 transitions. [2022-12-14 17:51:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-12-14 17:51:34,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:34,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:51:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:35,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 972 states and 1147 transitions. [2022-12-14 17:51:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1147 transitions. [2022-12-14 17:51:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 17:51:35,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:35,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:36,048 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 17:51:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:36,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 974 states and 1152 transitions. [2022-12-14 17:51:36,172 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1152 transitions. [2022-12-14 17:51:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-14 17:51:36,173 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:36,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:36,251 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 17:51:36,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 975 states and 1152 transitions. [2022-12-14 17:51:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1152 transitions. [2022-12-14 17:51:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-14 17:51:36,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:36,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 17:51:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:36,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 976 states and 1152 transitions. [2022-12-14 17:51:36,445 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1152 transitions. [2022-12-14 17:51:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-12-14 17:51:36,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:51:36,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:51:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:51:36,511 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 17:51:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:51:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 895 states and 1058 transitions. [2022-12-14 17:51:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1058 transitions. [2022-12-14 17:51:36,553 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 17:51:36,553 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2022-12-14 17:51:36,560 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 17:51:39,147 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-12-14 17:51:39,157 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-12-14 17:51:39,158 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 17:51:39,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 05:51:39 ImpRootNode [2022-12-14 17:51:39,159 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 17:51:39,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 17:51:39,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 17:51:39,159 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 17:51:39,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:51:25" (3/4) ... [2022-12-14 17:51:39,163 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 17:51:39,178 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-12-14 17:51:39,179 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-12-14 17:51:39,180 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-14 17:51:39,181 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 17:51:39,267 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 17:51:39,267 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 17:51:39,267 INFO L158 Benchmark]: Toolchain (without parser) took 15089.09ms. Allocated memory was 132.1MB in the beginning and 281.0MB in the end (delta: 148.9MB). Free memory was 91.8MB in the beginning and 125.9MB in the end (delta: -34.0MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. [2022-12-14 17:51:39,268 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:51:39,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.15ms. Allocated memory is still 132.1MB. Free memory was 91.5MB in the beginning and 64.8MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-14 17:51:39,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.38ms. Allocated memory is still 132.1MB. Free memory was 64.8MB in the beginning and 59.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 17:51:39,268 INFO L158 Benchmark]: Boogie Preprocessor took 47.23ms. Allocated memory is still 132.1MB. Free memory was 59.2MB in the beginning and 101.0MB in the end (delta: -41.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-12-14 17:51:39,268 INFO L158 Benchmark]: RCFGBuilder took 989.21ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 100.9MB in the beginning and 61.5MB in the end (delta: 39.4MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2022-12-14 17:51:39,269 INFO L158 Benchmark]: CodeCheck took 13509.41ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 60.4MB in the beginning and 136.3MB in the end (delta: -75.9MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. [2022-12-14 17:51:39,269 INFO L158 Benchmark]: Witness Printer took 108.03ms. Allocated memory is still 281.0MB. Free memory was 136.3MB in the beginning and 125.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 17:51:39,270 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, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27748 SdHoareTripleChecker+Valid, 55.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27495 mSDsluCounter, 4443 SdHoareTripleChecker+Invalid, 46.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3704 mSDsCounter, 12450 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65555 IncrementalHoareTripleChecker+Invalid, 78005 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12450 mSolverCounterUnsat, 739 mSDtfsCounter, 65555 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27757 GetRequests, 27517 SyntacticMatches, 58 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15814 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 3733 NumberOfCodeBlocks, 3733 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3704 ConstructedInterpolants, 0 QuantifiedInterpolants, 10121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 26 PerfectInterpolantSequences, 1656/1685 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: 533]: 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: 39]: Loop Invariant Derived loop invariant: (((10 <= a28 || a25 == 1) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((10 <= a28 || a25 == 1) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.15ms. Allocated memory is still 132.1MB. Free memory was 91.5MB in the beginning and 64.8MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.38ms. Allocated memory is still 132.1MB. Free memory was 64.8MB in the beginning and 59.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.23ms. Allocated memory is still 132.1MB. Free memory was 59.2MB in the beginning and 101.0MB in the end (delta: -41.8MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * RCFGBuilder took 989.21ms. Allocated memory was 132.1MB in the beginning and 159.4MB in the end (delta: 27.3MB). Free memory was 100.9MB in the beginning and 61.5MB in the end (delta: 39.4MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. * CodeCheck took 13509.41ms. Allocated memory was 159.4MB in the beginning and 281.0MB in the end (delta: 121.6MB). Free memory was 60.4MB in the beginning and 136.3MB in the end (delta: -75.9MB). Peak memory consumption was 105.5MB. Max. memory is 16.1GB. * Witness Printer took 108.03ms. Allocated memory is still 281.0MB. Free memory was 136.3MB in the beginning and 125.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 17:51:39,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84c8cbc1-3b0e-4805-ab94-796112d0f777/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