./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i --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_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/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_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/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_eb4e397e-c681-4ee3-9249-11b43f288ded/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 f26bb7c01ef96852e13a34034142a6eda53bd301e224804a84caad37f299321b --- 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 17:01:31,242 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:31,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:31,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:31,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:31,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:31,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:31,308 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:31,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:31,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:31,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:31,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:31,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:31,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:31,325 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:31,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:31,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:31,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:31,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:31,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:31,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:31,342 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:31,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:31,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:31,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:31,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:31,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:31,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:31,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:31,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:31,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:31,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:31,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:31,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:31,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:31,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:31,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:31,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:31,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:31,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:31,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:31,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:31,440 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:31,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:31,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:31,442 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:31,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:31,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:31,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:31,446 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:31,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:31,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:31,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:31,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:31,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:31,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:31,448 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:31,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:31,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:31,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:31,448 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:31,449 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:31,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:31,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:31,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:31,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:31,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:31,450 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:31,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:31,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:31,450 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_eb4e397e-c681-4ee3-9249-11b43f288ded/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f26bb7c01ef96852e13a34034142a6eda53bd301e224804a84caad37f299321b [2022-10-17 17:01:31,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:31,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:31,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:31,798 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:31,799 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:31,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i [2022-10-17 17:01:31,886 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/data/7e27ba0f8/4889e6981cf945c88d4ef28691b29017/FLAGa24b0b1cb [2022-10-17 17:01:32,399 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:32,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i [2022-10-17 17:01:32,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/data/7e27ba0f8/4889e6981cf945c88d4ef28691b29017/FLAGa24b0b1cb [2022-10-17 17:01:32,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/data/7e27ba0f8/4889e6981cf945c88d4ef28691b29017 [2022-10-17 17:01:32,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:32,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:32,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:32,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:32,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:32,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:32" (1/1) ... [2022-10-17 17:01:32,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@173604e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:32, skipping insertion in model container [2022-10-17 17:01:32,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:32" (1/1) ... [2022-10-17 17:01:32,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:32,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:32,967 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_eb4e397e-c681-4ee3-9249-11b43f288ded/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i[951,964] [2022-10-17 17:01:32,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:32,991 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:33,002 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_eb4e397e-c681-4ee3-9249-11b43f288ded/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound100.i[951,964] [2022-10-17 17:01:33,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:33,020 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:33,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33 WrapperNode [2022-10-17 17:01:33,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:33,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:33,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:33,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:33,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,053 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-10-17 17:01:33,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:33,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:33,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:33,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:33,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,076 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,079 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:33,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:33,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:33,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:33,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:33,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:33,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:33,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb4e397e-c681-4ee3-9249-11b43f288ded/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:33,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:01:33,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:01:33,208 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:33,209 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:33,339 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:33,375 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:33,375 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:01:33,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:33 BoogieIcfgContainer [2022-10-17 17:01:33,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:33,379 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:33,380 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:33,391 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:33,391 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:33" (1/1) ... [2022-10-17 17:01:33,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:33,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:33,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-10-17 17:01:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 17:01:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:33,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:33,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:33,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:01:33,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:33,645 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 17:01:43,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 17:01:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:43,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 17:01:43,923 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 17:01:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:43,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:43,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:44,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:44,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:44,128 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 17:01:44,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:44,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-10-17 17:01:44,199 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-10-17 17:01:44,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:44,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:44,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:44,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:44,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:44,371 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 17:01:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 17:01:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 17:01:44,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:44,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:44,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:44,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:01:44,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:44,907 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 17:01:46,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:46,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-10-17 17:01:46,209 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-10-17 17:01:46,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:01:46,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:46,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:46,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:46,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:46,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:46,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:46,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2022-10-17 17:01:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2022-10-17 17:01:46,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:01:46,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:46,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:46,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:46,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:46,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:47,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2022-10-17 17:01:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2022-10-17 17:01:47,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:01:47,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:47,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:47,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:01:47,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:51,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:51,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2022-10-17 17:01:51,138 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2022-10-17 17:01:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:01:51,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:51,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:51,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:01:51,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:51,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 17:01:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:52,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 87 transitions. [2022-10-17 17:01:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2022-10-17 17:01:52,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:52,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:52,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:52,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:52,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:53,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2022-10-17 17:01:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2022-10-17 17:01:53,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:01:53,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:53,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:53,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:53,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:53,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 106 transitions. [2022-10-17 17:01:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2022-10-17 17:01:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:01:55,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:55,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:55,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:01:55,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:57,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:57,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 115 transitions. [2022-10-17 17:01:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 115 transitions. [2022-10-17 17:01:57,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:01:57,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:57,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:57,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:01:57,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:57,634 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:00,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 59 states and 122 transitions. [2022-10-17 17:02:00,391 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 122 transitions. [2022-10-17 17:02:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:00,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:00,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:00,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:02:00,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:00,706 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:01,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:01,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 132 transitions. [2022-10-17 17:02:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 132 transitions. [2022-10-17 17:02:01,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:01,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:01,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:01,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:02:01,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:01,993 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 68 states and 154 transitions. [2022-10-17 17:02:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 154 transitions. [2022-10-17 17:02:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:05,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:05,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:05,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:02:05,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.