./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0c11dfbc24d8e2936a0720b93d6e580e096b076c7149ef4cbc8369f1ef818941 --- 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-6b4ec56 [2022-11-20 10:49:55,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:49:55,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:49:55,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:49:55,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:49:55,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:49:55,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:49:55,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:49:55,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:49:55,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:49:55,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:49:55,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:49:55,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:49:55,926 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:49:55,929 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:49:55,931 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:49:55,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:49:55,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:49:55,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:49:55,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:49:55,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:49:55,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:49:55,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:49:55,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:49:55,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:49:55,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:49:55,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:49:55,965 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:49:55,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:49:55,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:49:55,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:49:55,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:49:55,970 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:49:55,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:49:55,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:49:55,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:49:55,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:49:55,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:49:55,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:49:55,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:49:55,978 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:49:55,979 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 10:49:56,020 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:49:56,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:49:56,022 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:49:56,022 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:49:56,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:49:56,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:49:56,024 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:49:56,025 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:49:56,025 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:49:56,025 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:49:56,026 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:49:56,027 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:49:56,027 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:49:56,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:49:56,028 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:49:56,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:49:56,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:49:56,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:49:56,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:49:56,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:49:56,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:49:56,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:49:56,030 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:49:56,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:49:56,031 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:49:56,031 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:49:56,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:49:56,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:49:56,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:49:56,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:49:56,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:49:56,035 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:49:56,035 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c11dfbc24d8e2936a0720b93d6e580e096b076c7149ef4cbc8369f1ef818941 [2022-11-20 10:49:56,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:49:56,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:49:56,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:49:56,320 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:49:56,320 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:49:56,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c [2022-11-20 10:49:59,418 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:49:59,873 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:49:59,873 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c [2022-11-20 10:49:59,893 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/data/3f7802875/87f3b0ca05a94206824eecf463388dbc/FLAG74e348e3e [2022-11-20 10:49:59,914 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/data/3f7802875/87f3b0ca05a94206824eecf463388dbc [2022-11-20 10:49:59,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:49:59,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:49:59,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:49:59,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:49:59,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:49:59,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:59" (1/1) ... [2022-11-20 10:49:59,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3ecf5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:59, skipping insertion in model container [2022-11-20 10:49:59,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:59" (1/1) ... [2022-11-20 10:49:59,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:50:00,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:50:00,207 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_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c[1870,1883] [2022-11-20 10:50:00,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:50:00,859 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:50:00,872 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_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/sv-benchmarks/c/seq-mthreaded/rekh_ctm.3-1.c[1870,1883] [2022-11-20 10:50:01,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:50:01,171 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:50:01,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01 WrapperNode [2022-11-20 10:50:01,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:50:01,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:50:01,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:50:01,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:50:01,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:01,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:11,344 INFO L138 Inliner]: procedures = 99, calls = 2816, calls flagged for inlining = 345, calls inlined = 12629, statements flattened = 605539 [2022-11-20 10:50:11,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:50:11,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:50:11,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:50:11,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:50:11,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:11,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:13,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:13,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:18,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:20,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:21,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:22,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:24,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:50:24,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:50:24,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:50:24,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:50:24,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (1/1) ... [2022-11-20 10:50:24,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:50:24,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:50:24,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:50:24,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44122e75-2eb2-469a-b620-5f5d4b9dfb7b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:50:24,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:50:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:50:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:50:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:50:24,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:50:24,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:50:24,978 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:50:24,980 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:00:39,812 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:00:40,180 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:00:40,181 INFO L300 CfgBuilder]: Removed 42 assume(true) statements. [2022-11-20 11:00:40,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:00:40 BoogieIcfgContainer [2022-11-20 11:00:40,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:00:40,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 11:00:40,297 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 11:00:40,301 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 11:00:40,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:00:40,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:49:59" (1/3) ... [2022-11-20 11:00:40,303 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cdc2dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:00:40, skipping insertion in model container [2022-11-20 11:00:40,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:00:40,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:01" (2/3) ... [2022-11-20 11:00:40,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6cdc2dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 11:00:40, skipping insertion in model container [2022-11-20 11:00:40,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 11:00:40,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:00:40" (3/3) ... [2022-11-20 11:00:40,306 INFO L332 chiAutomizerObserver]: Analyzing ICFG rekh_ctm.3-1.c [2022-11-20 11:00:43,520 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 11:00:43,520 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 11:00:43,520 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 11:00:43,520 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 11:00:43,521 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 11:00:43,521 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 11:00:43,521 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 11:00:43,521 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 11:00:43,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 174104 states, 174103 states have (on average 1.7045139945894097) internal successors, (296761), 174103 states have internal predecessors, (296761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)