./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina1.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_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/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_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sina1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/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_b20777f8-3a90-4dd6-8bdc-2772729cb03f/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 b1c30dcb0753c92b26d7933797d6cb35ad9e557c83930a4dbbba40b5521c6adf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:57:16,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:16,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:16,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:16,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:16,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:16,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:16,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:16,368 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:16,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:16,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:16,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:16,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:16,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:16,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:16,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:16,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:16,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:16,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:16,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:16,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:16,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:16,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:16,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:16,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:16,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:16,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:16,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:16,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:16,402 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:16,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:16,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:16,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:16,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:16,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:16,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:16,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:16,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:16,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:16,410 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:16,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:16,412 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:16,437 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:16,437 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:16,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:16,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:16,439 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:16,440 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:16,440 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:16,440 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:16,440 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:16,441 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:16,441 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:16,441 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:16,441 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:16,442 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:16,442 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:16,442 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:16,442 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:16,443 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:16,443 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:16,443 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:16,443 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:16,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:16,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:16,457 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:16,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:16,457 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:16,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:16,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:16,457 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_b20777f8-3a90-4dd6-8bdc-2772729cb03f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c30dcb0753c92b26d7933797d6cb35ad9e557c83930a4dbbba40b5521c6adf [2022-10-17 16:57:16,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:16,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:16,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:16,791 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:16,792 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:16,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/sina1.c [2022-10-17 16:57:16,882 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/data/2494fa01d/d9f02d376508417e9512ac0c806ba64c/FLAG45dbf90a1 [2022-10-17 16:57:17,401 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:17,401 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/sv-benchmarks/c/array-fpi/sina1.c [2022-10-17 16:57:17,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/data/2494fa01d/d9f02d376508417e9512ac0c806ba64c/FLAG45dbf90a1 [2022-10-17 16:57:17,869 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/data/2494fa01d/d9f02d376508417e9512ac0c806ba64c [2022-10-17 16:57:17,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:17,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:17,876 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:17,876 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:17,880 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:17,881 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:17" (1/1) ... [2022-10-17 16:57:17,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fd40e84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:17, skipping insertion in model container [2022-10-17 16:57:17,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:17" (1/1) ... [2022-10-17 16:57:17,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:17,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:18,042 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_b20777f8-3a90-4dd6-8bdc-2772729cb03f/sv-benchmarks/c/array-fpi/sina1.c[588,601] [2022-10-17 16:57:18,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:18,073 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:18,086 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_b20777f8-3a90-4dd6-8bdc-2772729cb03f/sv-benchmarks/c/array-fpi/sina1.c[588,601] [2022-10-17 16:57:18,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:18,109 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:18,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18 WrapperNode [2022-10-17 16:57:18,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:18,111 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:18,111 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:18,111 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:18,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,149 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-10-17 16:57:18,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:18,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:18,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:18,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:18,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:18,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:18,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:18,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:18,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:18,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:18,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:18,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b20777f8-3a90-4dd6-8bdc-2772729cb03f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:18,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:57:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:57:18,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:57:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:18,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:57:18,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:57:18,399 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:18,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:18,569 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:18,621 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:18,621 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:57:18,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:18 BoogieIcfgContainer [2022-10-17 16:57:18,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:18,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:18,626 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:18,638 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:18,639 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:18" (1/1) ... [2022-10-17 16:57:18,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:57:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:57:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:57:18,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:18,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:19,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:57:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:57:19,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:57:19,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:19,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:19,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:57:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:57:19,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:57:19,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:19,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:20,365 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 16:57:21,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 19 states and 34 transitions. [2022-10-17 16:57:21,067 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 34 transitions. [2022-10-17 16:57:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:57:21,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:21,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:21,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:22,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 45 transitions. [2022-10-17 16:57:22,067 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 45 transitions. [2022-10-17 16:57:22,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:22,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:22,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:22,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 28 states and 61 transitions. [2022-10-17 16:57:24,424 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 61 transitions. [2022-10-17 16:57:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:24,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:24,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:24,702 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:25,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 28 states and 58 transitions. [2022-10-17 16:57:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 58 transitions. [2022-10-17 16:57:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:57:25,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:25,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:25,352 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 29 states and 61 transitions. [2022-10-17 16:57:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 61 transitions. [2022-10-17 16:57:25,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:57:25,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:25,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:26,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 32 states and 71 transitions. [2022-10-17 16:57:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 71 transitions. [2022-10-17 16:57:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:57:27,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:27,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:27,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:57:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:27,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 35 states and 76 transitions. [2022-10-17 16:57:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 76 transitions. [2022-10-17 16:57:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:27,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:27,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2022-10-17 16:57:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2022-10-17 16:57:28,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:28,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:28,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:30,542 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 32 states and 57 transitions. [2022-10-17 16:57:32,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 57 transitions. [2022-10-17 16:57:32,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:57:32,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:32,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:32,839 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2022-10-17 16:57:34,112 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2022-10-17 16:57:34,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:34,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:34,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:35,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:35,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2022-10-17 16:57:35,330 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2022-10-17 16:57:35,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:35,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:35,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:36,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:36,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2022-10-17 16:57:36,520 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2022-10-17 16:57:36,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:36,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:36,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:37,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2022-10-17 16:57:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2022-10-17 16:57:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:37,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:37,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:37,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:37,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 40 states and 72 transitions. [2022-10-17 16:57:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2022-10-17 16:57:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:57:37,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:37,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:47,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:47,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 47 states and 85 transitions. [2022-10-17 16:57:47,195 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2022-10-17 16:57:47,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:57:47,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:47,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat