./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s1lif.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_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/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_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s1lif.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/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_b1eeafd8-6170-41fa-b078-063b3bdcfb95/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 cdcd45f06ced2bb4437693c85186d4d1862b19794596dce357397727796a8cdf --- 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 16:51:11,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:51:11,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:51:11,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:51:11,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:51:11,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:51:11,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:51:11,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:51:11,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:51:11,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:51:11,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:51:11,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:51:11,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:51:11,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:51:11,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:51:11,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:51:11,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:51:11,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:51:11,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:51:11,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:51:11,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:51:11,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:51:11,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:51:11,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:51:11,776 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:51:11,776 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:51:11,777 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:51:11,779 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:51:11,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:51:11,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:51:11,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:51:11,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:51:11,785 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:51:11,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:51:11,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:51:11,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:51:11,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:51:11,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:51:11,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:51:11,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:51:11,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:51:11,792 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:51:11,850 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:51:11,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:51:11,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:51:11,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:51:11,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:51:11,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:51:11,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:51:11,854 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:51:11,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:51:11,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:51:11,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:51:11,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:51:11,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:51:11,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:51:11,857 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:51:11,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:51:11,858 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:51:11,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:51:11,858 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:51:11,858 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:51:11,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:51:11,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:11,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:51:11,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:51:11,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:51:11,860 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:51:11,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:51:11,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:51:11,861 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_b1eeafd8-6170-41fa-b078-063b3bdcfb95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdcd45f06ced2bb4437693c85186d4d1862b19794596dce357397727796a8cdf [2022-10-17 16:51:12,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:51:12,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:51:12,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:51:12,197 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:51:12,200 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:51:12,202 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/s1lif.c [2022-10-17 16:51:12,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/data/53fc99cbf/84f25b4b323348f4ae6a3628e0ebac92/FLAG0d5c91b9f [2022-10-17 16:51:12,751 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:51:12,755 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/sv-benchmarks/c/array-fpi/s1lif.c [2022-10-17 16:51:12,763 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/data/53fc99cbf/84f25b4b323348f4ae6a3628e0ebac92/FLAG0d5c91b9f [2022-10-17 16:51:13,112 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/data/53fc99cbf/84f25b4b323348f4ae6a3628e0ebac92 [2022-10-17 16:51:13,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:51:13,116 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:51:13,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:13,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:51:13,121 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:51:13,122 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@442990d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13, skipping insertion in model container [2022-10-17 16:51:13,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,131 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:51:13,145 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:51:13,337 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_b1eeafd8-6170-41fa-b078-063b3bdcfb95/sv-benchmarks/c/array-fpi/s1lif.c[588,601] [2022-10-17 16:51:13,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:13,379 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:51:13,390 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_b1eeafd8-6170-41fa-b078-063b3bdcfb95/sv-benchmarks/c/array-fpi/s1lif.c[588,601] [2022-10-17 16:51:13,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:51:13,417 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:51:13,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13 WrapperNode [2022-10-17 16:51:13,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:51:13,420 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:13,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:51:13,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:51:13,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,457 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2022-10-17 16:51:13,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:51:13,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:51:13,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:51:13,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:51:13,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,479 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,491 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:51:13,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:51:13,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:51:13,497 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:51:13,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:51:13" (1/1) ... [2022-10-17 16:51:13,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:51:13,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:51:13,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:51:13,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1eeafd8-6170-41fa-b078-063b3bdcfb95/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:51:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:51:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:51:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:51:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:51:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:51:13,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:51:13,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:51:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:51:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:51:13,674 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:51:13,676 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:13,928 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:14,012 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:14,012 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:51:14,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:14 BoogieIcfgContainer [2022-10-17 16:51:14,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:14,016 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:14,017 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:14,039 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:14,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:14" (1/1) ... [2022-10-17 16:51:14,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:14,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2022-10-17 16:51:14,147 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2022-10-17 16:51:14,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:51:14,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:14,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:14,569 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 16:51:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:51:14,674 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:51:14,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:51:14,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:14,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:14,817 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 16:51:14,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-10-17 16:51:14,943 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-10-17 16:51:14,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:51:14,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:14,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:51:15,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:15,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:51:15,081 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:51:15,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:15,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:15,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:15,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:16,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:17,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 21 states and 43 transitions. [2022-10-17 16:51:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 43 transitions. [2022-10-17 16:51:17,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:17,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:17,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:17,402 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:18,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 24 states and 54 transitions. [2022-10-17 16:51:18,232 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 54 transitions. [2022-10-17 16:51:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:18,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:18,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:18,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 24 states and 51 transitions. [2022-10-17 16:51:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 51 transitions. [2022-10-17 16:51:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:51:18,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:18,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:19,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:19,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 27 states and 58 transitions. [2022-10-17 16:51:19,699 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 58 transitions. [2022-10-17 16:51:19,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:19,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:19,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:51:20,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 28 states and 59 transitions. [2022-10-17 16:51:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 59 transitions. [2022-10-17 16:51:20,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:51:20,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:20,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:20,202 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:51:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 31 states and 63 transitions. [2022-10-17 16:51:21,085 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 63 transitions. [2022-10-17 16:51:21,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:21,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:21,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:25,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:25,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 37 states and 89 transitions. [2022-10-17 16:51:25,742 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 89 transitions. [2022-10-17 16:51:25,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:25,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:25,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:27,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:51:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 41 states and 108 transitions. [2022-10-17 16:51:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 108 transitions. [2022-10-17 16:51:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:51:29,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:29,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:29,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:51:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:30,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 35 states and 85 transitions. [2022-10-17 16:51:30,540 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 85 transitions. [2022-10-17 16:51:30,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:51:30,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:51:33,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:33,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 41 states and 98 transitions. [2022-10-17 16:51:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 98 transitions. [2022-10-17 16:51:33,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:33,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:33,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:33,803 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:51:34,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:34,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 41 states and 95 transitions. [2022-10-17 16:51:34,303 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 95 transitions. [2022-10-17 16:51:34,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:34,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:34,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:36,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:36,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 45 states and 111 transitions. [2022-10-17 16:51:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 111 transitions. [2022-10-17 16:51:36,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:51:36,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:36,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:51:37,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:37,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 46 states and 116 transitions. [2022-10-17 16:51:37,304 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 116 transitions. [2022-10-17 16:51:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:51:37,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:51:40,494 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.