./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-tiling/nr5.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_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/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_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-tiling/nr5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/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_4a348c2f-966e-4ff7-aa9c-950b60f28230/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 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 --- 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 16:49:25,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:49:25,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:49:25,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:49:25,066 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:49:25,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:49:25,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:49:25,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:49:25,081 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:49:25,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:49:25,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:49:25,091 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:49:25,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:49:25,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:49:25,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:49:25,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:49:25,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:49:25,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:49:25,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:49:25,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:49:25,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:49:25,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:49:25,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:49:25,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:49:25,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:49:25,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:49:25,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:49:25,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:49:25,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:49:25,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:49:25,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:49:25,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:49:25,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:49:25,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:49:25,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:49:25,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:49:25,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:49:25,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:49:25,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:49:25,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:49:25,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:49:25,150 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:49:25,198 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:49:25,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:49:25,203 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:49:25,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:49:25,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:49:25,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:49:25,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:49:25,205 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:49:25,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:49:25,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:49:25,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:49:25,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:49:25,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:49:25,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:49:25,208 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:49:25,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:49:25,209 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:49:25,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:49:25,209 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:49:25,209 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:49:25,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:49:25,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:25,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:49:25,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:49:25,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:49:25,215 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:49:25,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:49:25,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:49:25,216 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_4a348c2f-966e-4ff7-aa9c-950b60f28230/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a05e17fa6f76d5004d5085f0b83441da7dbecb194f05c3b661e69c00b5f4df0 [2022-10-17 16:49:25,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:49:25,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:49:25,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:49:25,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:49:25,489 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:49:25,514 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-tiling/nr5.c [2022-10-17 16:49:25,592 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/data/a960bf2c9/d17e842e93e34e97a5ecda22c0ba57a3/FLAG00b70f79a [2022-10-17 16:49:26,035 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:49:26,036 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/sv-benchmarks/c/array-tiling/nr5.c [2022-10-17 16:49:26,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/data/a960bf2c9/d17e842e93e34e97a5ecda22c0ba57a3/FLAG00b70f79a [2022-10-17 16:49:26,425 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/data/a960bf2c9/d17e842e93e34e97a5ecda22c0ba57a3 [2022-10-17 16:49:26,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:49:26,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:49:26,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:26,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:49:26,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:49:26,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,440 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501005b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26, skipping insertion in model container [2022-10-17 16:49:26,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:49:26,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:49:26,654 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_4a348c2f-966e-4ff7-aa9c-950b60f28230/sv-benchmarks/c/array-tiling/nr5.c[394,407] [2022-10-17 16:49:26,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:26,681 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:49:26,694 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_4a348c2f-966e-4ff7-aa9c-950b60f28230/sv-benchmarks/c/array-tiling/nr5.c[394,407] [2022-10-17 16:49:26,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:49:26,716 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:49:26,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26 WrapperNode [2022-10-17 16:49:26,717 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:49:26,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:26,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:49:26,719 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:49:26,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,756 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-10-17 16:49:26,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:49:26,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:49:26,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:49:26,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:49:26,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,783 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,786 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:49:26,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:49:26,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:49:26,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:49:26,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:49:26" (1/1) ... [2022-10-17 16:49:26,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:49:26,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:49:26,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:49:26,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a348c2f-966e-4ff7-aa9c-950b60f28230/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:49:26,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:49:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:49:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:49:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:49:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:49:26,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:49:26,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:49:26,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:49:26,950 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:49:26,952 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:49:27,155 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:49:27,271 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:49:27,273 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:49:27,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:27 BoogieIcfgContainer [2022-10-17 16:49:27,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:49:27,277 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:49:27,279 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:49:27,289 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:49:27,289 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:49:27" (1/1) ... [2022-10-17 16:49:27,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:49:27,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:49:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:49:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:49:27,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:27,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,004 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 16:49:28,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2022-10-17 16:49:28,095 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2022-10-17 16:49:28,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:49:28,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2022-10-17 16:49:28,217 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2022-10-17 16:49:28,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:49:28,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,305 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 16:49:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2022-10-17 16:49:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2022-10-17 16:49:28,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:49:28,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:28,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-10-17 16:49:28,505 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-10-17 16:49:28,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:49:28,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,663 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-10-17 16:49:28,724 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-10-17 16:49:28,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:49:28,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2022-10-17 16:49:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2022-10-17 16:49:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:49:28,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:28,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:32,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-10-17 16:49:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-10-17 16:49:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:49:32,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:32,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:32,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:35,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2022-10-17 16:49:35,779 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2022-10-17 16:49:35,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:49:35,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:35,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:41,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2022-10-17 16:49:41,652 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2022-10-17 16:49:41,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:49:41,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:41,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:44,047 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:47,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 101 transitions. [2022-10-17 16:49:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 101 transitions. [2022-10-17 16:49:47,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:49:47,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:47,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:53,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 59 states and 127 transitions. [2022-10-17 16:49:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2022-10-17 16:49:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:49:53,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:53,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:55,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 61 states and 131 transitions. [2022-10-17 16:49:55,874 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2022-10-17 16:49:55,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:49:55,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:55,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat