./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label36.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_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/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_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/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_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/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 62e9241ba979767c8bca2756b2edfc882f7b20aa81fc6f783856c8cd54d80552 --- 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 16:42:19,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:42:19,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:42:19,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:42:19,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:42:19,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:42:19,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:42:19,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:42:19,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:42:19,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:42:19,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:42:19,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:42:19,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:42:19,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:42:19,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:42:19,731 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:42:19,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:42:19,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:42:19,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:42:19,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:42:19,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:42:19,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:42:19,754 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:42:19,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:42:19,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:42:19,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:42:19,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:42:19,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:42:19,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:42:19,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:42:19,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:42:19,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:42:19,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:42:19,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:42:19,778 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:42:19,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:42:19,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:42:19,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:42:19,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:42:19,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:42:19,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:42:19,783 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:42:19,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:42:19,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:42:19,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:42:19,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:42:19,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:42:19,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:42:19,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:42:19,830 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:42:19,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:42:19,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:42:19,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:42:19,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:42:19,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:42:19,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:42:19,833 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:42:19,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:42:19,833 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:42:19,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:42:19,834 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:42:19,834 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:42:19,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:42:19,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:19,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:42:19,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:42:19,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:42:19,836 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:42:19,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:42:19,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:42:19,836 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_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62e9241ba979767c8bca2756b2edfc882f7b20aa81fc6f783856c8cd54d80552 [2022-10-17 16:42:20,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:42:20,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:42:20,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:42:20,144 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:42:20,145 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:42:20,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label36.c [2022-10-17 16:42:20,210 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/data/89eedf2c7/71f0b93bd2dc4e84b6a4767680f5c022/FLAG807982ec5 [2022-10-17 16:42:20,891 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:42:20,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/sv-benchmarks/c/eca-rers2012/Problem03_label36.c [2022-10-17 16:42:20,913 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/data/89eedf2c7/71f0b93bd2dc4e84b6a4767680f5c022/FLAG807982ec5 [2022-10-17 16:42:21,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/data/89eedf2c7/71f0b93bd2dc4e84b6a4767680f5c022 [2022-10-17 16:42:21,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:42:21,026 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:42:21,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:21,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:42:21,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:42:21,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:21" (1/1) ... [2022-10-17 16:42:21,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251d008b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:21, skipping insertion in model container [2022-10-17 16:42:21,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:42:21" (1/1) ... [2022-10-17 16:42:21,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:42:21,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:42:21,755 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_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/sv-benchmarks/c/eca-rers2012/Problem03_label36.c[58393,58406] [2022-10-17 16:42:21,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:21,808 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:42:22,102 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_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/sv-benchmarks/c/eca-rers2012/Problem03_label36.c[58393,58406] [2022-10-17 16:42:22,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:42:22,136 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:42:22,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22 WrapperNode [2022-10-17 16:42:22,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:42:22,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:22,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:42:22,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:42:22,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,313 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:42:22,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:42:22,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:42:22,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:42:22,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:42:22,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:42:22,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:42:22,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:42:22,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:42:22,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:42:22" (1/1) ... [2022-10-17 16:42:22,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:42:22,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:42:22,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:42:22,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c44c60d7-4364-4cf6-98a0-dc539c2cdf76/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:42:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:42:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:42:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:42:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:42:22,622 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:42:22,623 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:42:24,758 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:42:25,130 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:42:25,130 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:42:25,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:25 BoogieIcfgContainer [2022-10-17 16:42:25,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:42:25,135 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:42:25,135 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:42:25,145 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:42:25,145 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:42:25" (1/1) ... [2022-10-17 16:42:25,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:42:25,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:42:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:42:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:42:25,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:25,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:26,230 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 16:42:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:27,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 289 states and 517 transitions. [2022-10-17 16:42:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 517 transitions. [2022-10-17 16:42:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:42:27,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:27,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:27,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:28,053 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 16:42:29,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 437 states and 723 transitions. [2022-10-17 16:42:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 723 transitions. [2022-10-17 16:42:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:42:29,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:29,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:29,805 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 16:42:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:29,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 444 states and 733 transitions. [2022-10-17 16:42:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 733 transitions. [2022-10-17 16:42:29,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:42:29,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:29,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:30,772 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 16:42:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 599 states and 967 transitions. [2022-10-17 16:42:33,264 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 967 transitions. [2022-10-17 16:42:33,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-10-17 16:42:33,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:33,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:33,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:33,530 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 16:42:34,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 618 states and 993 transitions. [2022-10-17 16:42:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 993 transitions. [2022-10-17 16:42:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-10-17 16:42:34,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:34,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:34,462 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 16:42:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 640 states and 1027 transitions. [2022-10-17 16:42:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1027 transitions. [2022-10-17 16:42:35,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-10-17 16:42:35,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:35,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:35,369 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 16:42:36,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 665 states and 1066 transitions. [2022-10-17 16:42:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1066 transitions. [2022-10-17 16:42:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:42:36,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:36,449 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 16:42:37,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 673 states and 1090 transitions. [2022-10-17 16:42:37,245 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1090 transitions. [2022-10-17 16:42:37,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:42:37,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:37,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:37,545 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 16:42:37,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:37,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 679 states and 1096 transitions. [2022-10-17 16:42:37,769 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1096 transitions. [2022-10-17 16:42:37,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:42:37,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:37,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:38,031 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 16:42:38,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:38,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 680 states and 1097 transitions. [2022-10-17 16:42:38,296 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1097 transitions. [2022-10-17 16:42:38,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:42:38,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:38,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:38,580 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 16:42:38,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 699 states and 1118 transitions. [2022-10-17 16:42:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1118 transitions. [2022-10-17 16:42:38,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-10-17 16:42:38,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:38,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:39,145 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 16:42:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 725 states and 1157 transitions. [2022-10-17 16:42:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1157 transitions. [2022-10-17 16:42:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 16:42:40,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:40,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:40,788 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 16:42:42,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:42,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 752 states and 1197 transitions. [2022-10-17 16:42:42,244 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1197 transitions. [2022-10-17 16:42:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:42:42,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:42,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:42,445 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 16:42:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 769 states and 1235 transitions. [2022-10-17 16:42:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1235 transitions. [2022-10-17 16:42:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:42:43,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:43,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:43,601 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 16:42:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:43,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 770 states and 1240 transitions. [2022-10-17 16:42:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1240 transitions. [2022-10-17 16:42:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:42:43,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:43,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:44,071 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 16:42:44,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:44,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 771 states and 1242 transitions. [2022-10-17 16:42:44,340 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1242 transitions. [2022-10-17 16:42:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:42:44,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:44,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:44,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:44,565 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 16:42:44,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 777 states and 1252 transitions. [2022-10-17 16:42:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1252 transitions. [2022-10-17 16:42:44,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:42:44,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:44,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:44,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:45,059 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 16:42:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:45,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 799 states and 1277 transitions. [2022-10-17 16:42:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1277 transitions. [2022-10-17 16:42:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:42:45,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:45,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:45,973 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 16:42:47,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:42:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 828 states and 1325 transitions. [2022-10-17 16:42:47,870 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1325 transitions. [2022-10-17 16:42:47,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-10-17 16:42:47,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:42:47,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:42:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:42:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.