./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array20_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array20_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4 --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 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 --- 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-2329fc7 [2022-12-15 00:46:25,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:46:25,110 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:46:25,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:46:25,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:46:25,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:46:25,132 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:46:25,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:46:25,135 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:46:25,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:46:25,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:46:25,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:46:25,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:46:25,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:46:25,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:46:25,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:46:25,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:46:25,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:46:25,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:46:25,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:46:25,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:46:25,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:46:25,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:46:25,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:46:25,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:46:25,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:46:25,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:46:25,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:46:25,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:46:25,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:46:25,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:46:25,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:46:25,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:46:25,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:46:25,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:46:25,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:46:25,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:46:25,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:46:25,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:46:25,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:46:25,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:46:25,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:46:25,183 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:46:25,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:46:25,184 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:46:25,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:46:25,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:46:25,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:46:25,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:46:25,191 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:46:25,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:46:25,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:46:25,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:46:25,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:46:25,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:46:25,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:46:25,192 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:46:25,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:46:25,192 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:46:25,192 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:46:25,193 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:46:25,193 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:46:25,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:46:25,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:46:25,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:46:25,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:46:25,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:46:25,193 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:46:25,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:46:25,194 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:46:25,194 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_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4595fcce7ed27c87f4b36557925b67d85fd0fff83d482c199564b06ae0d3b884 [2022-12-15 00:46:25,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:46:25,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:46:25,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:46:25,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:46:25,374 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:46:25,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-patterns/array20_pattern.c [2022-12-15 00:46:27,938 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:46:28,087 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:46:28,088 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/sv-benchmarks/c/array-patterns/array20_pattern.c [2022-12-15 00:46:28,093 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/data/f082c4f28/b00d097934a240ae9f08b78e6f8dc7fe/FLAG0dd0acf0f [2022-12-15 00:46:28,105 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/data/f082c4f28/b00d097934a240ae9f08b78e6f8dc7fe [2022-12-15 00:46:28,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:46:28,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:46:28,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:46:28,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:46:28,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:46:28,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cccd3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28, skipping insertion in model container [2022-12-15 00:46:28,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:46:28,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:46:28,229 WARN L237 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_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2022-12-15 00:46:28,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:46:28,251 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:46:28,260 WARN L237 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_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/sv-benchmarks/c/array-patterns/array20_pattern.c[1444,1457] [2022-12-15 00:46:28,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:46:28,277 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:46:28,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28 WrapperNode [2022-12-15 00:46:28,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:46:28,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:46:28,279 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:46:28,279 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:46:28,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,302 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2022-12-15 00:46:28,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:46:28,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:46:28,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:46:28,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:46:28,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,319 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:46:28,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:46:28,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:46:28,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:46:28,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:46:28,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:46:28,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:46:28,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34eed0c7-6b7a-4e4c-ad44-9b20d06b957d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:46:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:46:28,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-15 00:46:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-15 00:46:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:46:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:46:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:46:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:46:28,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:46:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:46:28,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:46:28,444 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:46:28,446 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:46:28,588 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:46:28,694 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:46:28,694 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-15 00:46:28,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:46:28 BoogieIcfgContainer [2022-12-15 00:46:28,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:46:28,698 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:46:28,698 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:46:28,708 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:46:28,708 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:46:28" (1/1) ... [2022-12-15 00:46:28,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:46:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2022-12-15 00:46:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2022-12-15 00:46:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:46:28,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:28,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:28,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 00:46:28,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:46:28,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 26 transitions. [2022-12-15 00:46:28,922 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2022-12-15 00:46:28,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 00:46:28,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:28,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:28,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-15 00:46:28,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 00:46:29,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2022-12-15 00:46:29,064 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2022-12-15 00:46:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:46:29,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:29,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:29,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:46:29,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:46:29,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2022-12-15 00:46:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2022-12-15 00:46:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 00:46:29,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:29,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:29,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:46:29,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:46:29,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2022-12-15 00:46:29,542 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2022-12-15 00:46:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:46:29,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:29,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:29,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:46:29,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:46:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:29,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 48 states and 82 transitions. [2022-12-15 00:46:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 82 transitions. [2022-12-15 00:46:29,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:46:29,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:29,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:29,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:46:29,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:29,906 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:46:29,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:29,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 49 states and 86 transitions. [2022-12-15 00:46:29,928 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions. [2022-12-15 00:46:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:46:29,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:29,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:29,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-15 00:46:29,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:30,015 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-15 00:46:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2022-12-15 00:46:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-12-15 00:46:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:46:30,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:30,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:30,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-15 00:46:30,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:30,259 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:46:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2022-12-15 00:46:30,507 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2022-12-15 00:46:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:46:30,508 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:30,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:30,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 00:46:30,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:30,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:46:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:46:30,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 55 states and 99 transitions. [2022-12-15 00:46:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2022-12-15 00:46:30,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:46:31,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:46:31,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:46:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:46:31,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-15 00:46:31,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 00:46:31,297 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-15 00:46:32,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1142 treesize of output 1099 [2022-12-15 00:46:42,909 WARN L233 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 570 DAG size of output: 73 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-12-15 00:46:42,910 INFO L321 Elim1Store]: treesize reduction 8148, result has 3.1 percent of original size [2022-12-15 00:46:42,911 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 108 case distinctions, treesize of input 1378 treesize of output 5722 [2022-12-15 00:46:46,721 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:46,724 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2066 [2022-12-15 00:46:47,567 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:47,569 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2066 [2022-12-15 00:46:48,816 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:48,818 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1497 [2022-12-15 00:46:50,278 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:50,280 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1887 [2022-12-15 00:46:52,114 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:52,115 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1420 [2022-12-15 00:46:53,226 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:53,229 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4051 [2022-12-15 00:46:54,806 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:54,808 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1779 [2022-12-15 00:46:55,322 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:55,324 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2979 [2022-12-15 00:46:56,541 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:56,542 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1779 [2022-12-15 00:46:56,858 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-15 00:46:56,862 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14436 [2022-12-15 00:47:06,796 INFO L217 Elim1Store]: Index analysis took 202 ms