./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label17.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09db197a4bc835c4357a369c0d6e9c99a50322d20849e0303ed04dd1e516e51b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:30:39,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:39,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:39,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:39,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:39,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:39,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:39,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:39,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:39,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:39,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:39,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:39,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:39,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:39,641 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:39,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:39,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:39,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:39,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:39,655 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:39,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:39,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:39,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:39,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:39,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:39,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:39,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:39,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:39,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:39,678 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:39,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:39,680 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:39,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:39,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:39,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:39,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:39,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:39,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:39,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:39,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:39,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:39,690 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:39,735 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:39,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:39,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:39,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:39,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:39,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:39,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:39,738 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:39,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:39,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:39,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:39,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:39,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:39,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:39,740 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:39,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:39,740 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:39,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:39,741 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:39,741 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:39,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:39,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:39,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:39,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:39,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:39,742 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:39,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:39,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:39,743 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_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09db197a4bc835c4357a369c0d6e9c99a50322d20849e0303ed04dd1e516e51b [2022-10-17 16:30:40,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:40,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:40,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:40,048 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:40,049 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:40,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label17.c [2022-10-17 16:30:40,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/data/ee5e8c694/934d7b81bb75472598810a948088eace/FLAG76274b788 [2022-10-17 16:30:40,779 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:40,779 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/sv-benchmarks/c/eca-rers2012/Problem03_label17.c [2022-10-17 16:30:40,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/data/ee5e8c694/934d7b81bb75472598810a948088eace/FLAG76274b788 [2022-10-17 16:30:40,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/data/ee5e8c694/934d7b81bb75472598810a948088eace [2022-10-17 16:30:40,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:40,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:40,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:40,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:40,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:40,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdaa689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40, skipping insertion in model container [2022-10-17 16:30:40,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:41,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:41,784 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/sv-benchmarks/c/eca-rers2012/Problem03_label17.c[61094,61107] [2022-10-17 16:30:41,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:41,815 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:42,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/sv-benchmarks/c/eca-rers2012/Problem03_label17.c[61094,61107] [2022-10-17 16:30:42,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:42,200 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:42,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42 WrapperNode [2022-10-17 16:30:42,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:42,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:42,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:42,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:42,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,384 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:30:42,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:42,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:42,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:42,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:42,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:42,546 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:42,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:42,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:42,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:42" (1/1) ... [2022-10-17 16:30:42,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:42,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:42,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:42,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99629bae-56e1-46d5-b259-50c8a09e5612/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:42,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:42,705 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:42,707 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:44,733 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:45,150 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:45,150 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:30:45,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:45 BoogieIcfgContainer [2022-10-17 16:30:45,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:45,156 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:45,156 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:45,166 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:45,167 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:45" (1/1) ... [2022-10-17 16:30:45,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:30:45,306 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:30:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:30:45,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:45,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:46,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 289 states and 517 transitions. [2022-10-17 16:30:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 517 transitions. [2022-10-17 16:30:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:30:47,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:47,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:49,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 437 states and 723 transitions. [2022-10-17 16:30:49,879 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 723 transitions. [2022-10-17 16:30:49,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:30:49,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:49,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:50,079 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:50,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 444 states and 733 transitions. [2022-10-17 16:30:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 733 transitions. [2022-10-17 16:30:50,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:30:50,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:50,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:30:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 599 states and 965 transitions. [2022-10-17 16:30:53,544 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 965 transitions. [2022-10-17 16:30:53,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-17 16:30:53,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:54,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 618 states and 989 transitions. [2022-10-17 16:30:54,316 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 989 transitions. [2022-10-17 16:30:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-17 16:30:54,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:54,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 640 states and 1020 transitions. [2022-10-17 16:30:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1020 transitions. [2022-10-17 16:30:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-17 16:30:55,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:55,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:56,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:56,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 665 states and 1056 transitions. [2022-10-17 16:30:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1056 transitions. [2022-10-17 16:30:56,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:30:56,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:56,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:56,616 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:30:57,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 685 states and 1091 transitions. [2022-10-17 16:30:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1091 transitions. [2022-10-17 16:30:57,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:30:57,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:57,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:57,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:30:58,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:58,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 692 states and 1100 transitions. [2022-10-17 16:30:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1100 transitions. [2022-10-17 16:30:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:30:58,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:58,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:30:58,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 698 states and 1107 transitions. [2022-10-17 16:30:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1107 transitions. [2022-10-17 16:30:58,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:30:58,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:58,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:59,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:59,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 724 states and 1143 transitions. [2022-10-17 16:30:59,870 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1143 transitions. [2022-10-17 16:30:59,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 16:30:59,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:59,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:00,358 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 751 states and 1180 transitions. [2022-10-17 16:31:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1180 transitions. [2022-10-17 16:31:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:31:01,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:01,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:01,989 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:03,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 774 states and 1223 transitions. [2022-10-17 16:31:03,114 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1223 transitions. [2022-10-17 16:31:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:31:03,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:03,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 780 states and 1231 transitions. [2022-10-17 16:31:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1231 transitions. [2022-10-17 16:31:03,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:31:03,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:03,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:03,814 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:04,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:04,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 802 states and 1256 transitions. [2022-10-17 16:31:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1256 transitions. [2022-10-17 16:31:04,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:31:04,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:04,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:04,615 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 803 states and 1257 transitions. [2022-10-17 16:31:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1257 transitions. [2022-10-17 16:31:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:31:04,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:04,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:05,126 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:05,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:05,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 809 states and 1264 transitions. [2022-10-17 16:31:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1264 transitions. [2022-10-17 16:31:05,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:31:05,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:05,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:05,861 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:31:07,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:07,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 838 states and 1305 transitions. [2022-10-17 16:31:07,454 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1305 transitions. [2022-10-17 16:31:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-17 16:31:07,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:07,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:07,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.