./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.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_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/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_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/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_7f2cbb7b-656d-4141-9e67-e4df62b8015f/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 5343b340ea8da46bc6acd6408dd3dbd3223330cf8901c5f3b9950638a460ce9a --- 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 17:05:38,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:38,268 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:38,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:38,319 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:38,324 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:38,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:38,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:38,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:38,341 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:38,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:38,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:38,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:38,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:38,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:38,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:38,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:38,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:38,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:38,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:38,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:38,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:38,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:38,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:38,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:38,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:38,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:38,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:38,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:38,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:38,393 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:38,394 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:38,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:38,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:38,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:38,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:38,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:38,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:38,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:38,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:38,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:38,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:38,437 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:38,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:38,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:38,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:38,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:38,439 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:38,439 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:38,440 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:38,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:38,440 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:38,440 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:38,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:38,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:38,441 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:38,441 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:38,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:38,441 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:38,442 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:38,442 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:38,442 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:38,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:38,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:38,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:38,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:38,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:38,443 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:38,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:38,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:38,444 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_7f2cbb7b-656d-4141-9e67-e4df62b8015f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5343b340ea8da46bc6acd6408dd3dbd3223330cf8901c5f3b9950638a460ce9a [2022-10-17 17:05:38,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:38,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:38,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:38,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:38,782 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:38,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c [2022-10-17 17:05:38,861 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/data/110cd89fd/5c4d7a3369724400bbdf234d68df300a/FLAG76ba91600 [2022-10-17 17:05:39,348 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:39,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c [2022-10-17 17:05:39,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/data/110cd89fd/5c4d7a3369724400bbdf234d68df300a/FLAG76ba91600 [2022-10-17 17:05:39,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/data/110cd89fd/5c4d7a3369724400bbdf234d68df300a [2022-10-17 17:05:39,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:39,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:39,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:39,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:39,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:39,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@473471b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:39, skipping insertion in model container [2022-10-17 17:05:39,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:39" (1/1) ... [2022-10-17 17:05:39,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:39,752 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:39,984 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_7f2cbb7b-656d-4141-9e67-e4df62b8015f/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c[535,548] [2022-10-17 17:05:40,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:40,043 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:40,060 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_7f2cbb7b-656d-4141-9e67-e4df62b8015f/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_valuebound20.c[535,548] [2022-10-17 17:05:40,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:40,099 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:40,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40 WrapperNode [2022-10-17 17:05:40,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:40,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:40,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:40,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:40,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,136 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2022-10-17 17:05:40,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:40,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:40,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:40,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:40,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,149 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,159 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:40,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:40,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:40,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:40,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:40,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:40,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:40,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f2cbb7b-656d-4141-9e67-e4df62b8015f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:05:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:05:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:05:40,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:05:40,291 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:40,292 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:40,461 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:40,485 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:40,485 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:05:40,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:40 BoogieIcfgContainer [2022-10-17 17:05:40,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:40,489 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:40,489 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:40,500 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:40,500 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:40" (1/1) ... [2022-10-17 17:05:40,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:40,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2022-10-17 17:05:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2022-10-17 17:05:40,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:05:40,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:40,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:40,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:40,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:41,084 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:05:42,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 17:05:42,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:42,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2022-10-17 17:05:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2022-10-17 17:05:42,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:05:42,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:42,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:42,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:05:42,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:43,193 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:05:44,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 17:05:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 35 states and 54 transitions. [2022-10-17 17:05:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2022-10-17 17:05:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:05:46,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:46,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:46,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:46,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:46,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:05:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:46,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2022-10-17 17:05:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2022-10-17 17:05:46,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:05:46,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:46,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:46,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:05:46,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 17:05:46,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2022-10-17 17:05:46,812 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2022-10-17 17:05:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:05:46,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:46,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:46,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:05:46,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 17:05:49,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2022-10-17 17:05:49,869 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2022-10-17 17:05:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:05:49,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:49,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:49,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:05:49,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:51,265 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.