./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i --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_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/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_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/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_4417e952-7899-45a5-b195-7f740e5480e7/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 a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a --- 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 16:53:37,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:37,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:37,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:37,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:37,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:37,470 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:37,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:37,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:37,476 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:37,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:37,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:37,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:37,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:37,482 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:37,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:37,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:37,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:37,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:37,491 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:37,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:37,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:37,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:37,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:37,502 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:37,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:37,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:37,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:37,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:37,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:37,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:37,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:37,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:37,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:37,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:37,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:37,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:37,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:37,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:37,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:37,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:37,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:37,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:37,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:37,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:37,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:37,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:37,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:37,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:37,569 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:37,569 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:37,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:37,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:37,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:37,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:37,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:37,571 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:37,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:37,571 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:37,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:37,572 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:37,572 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:37,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:37,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:37,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:37,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:37,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:37,579 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:37,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:37,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:37,580 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_4417e952-7899-45a5-b195-7f740e5480e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a [2022-10-17 16:53:37,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:37,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:37,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:37,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:37,944 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:37,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-10-17 16:53:38,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/data/3ac43e4c1/f15f732a15e34d8e97008c058289fe05/FLAG919b176f0 [2022-10-17 16:53:38,492 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:38,492 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2022-10-17 16:53:38,499 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/data/3ac43e4c1/f15f732a15e34d8e97008c058289fe05/FLAG919b176f0 [2022-10-17 16:53:38,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/data/3ac43e4c1/f15f732a15e34d8e97008c058289fe05 [2022-10-17 16:53:38,859 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:38,861 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:38,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:38,863 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:38,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:38,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:38" (1/1) ... [2022-10-17 16:53:38,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e714990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:38, skipping insertion in model container [2022-10-17 16:53:38,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:38" (1/1) ... [2022-10-17 16:53:38,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:38,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:39,083 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_4417e952-7899-45a5-b195-7f740e5480e7/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-10-17 16:53:39,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:39,112 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:39,127 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_4417e952-7899-45a5-b195-7f740e5480e7/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2022-10-17 16:53:39,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:39,152 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:39,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39 WrapperNode [2022-10-17 16:53:39,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:39,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:39,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:39,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:39,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,172 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,191 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2022-10-17 16:53:39,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:39,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:39,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:39,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:39,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,220 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:39,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:39,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:39,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:39,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:39,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:39,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:39,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4417e952-7899-45a5-b195-7f740e5480e7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:39,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:39,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:39,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:39,398 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:39,400 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:39,588 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:39,630 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:39,630 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:53:39,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:39 BoogieIcfgContainer [2022-10-17 16:53:39,633 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:39,634 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:39,634 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:39,645 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:39,645 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:39" (1/1) ... [2022-10-17 16:53:39,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:39,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:39,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:53:39,714 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:53:39,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:53:39,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:39,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:40,063 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 16:53:40,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 16:53:40,114 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 16:53:40,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:53:40,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:40,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:40,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:40,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:40,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-10-17 16:53:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-10-17 16:53:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:53:40,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:40,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:40,579 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 16:53:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:40,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2022-10-17 16:53:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2022-10-17 16:53:40,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:53:40,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:40,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:41,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:41,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 14 states and 24 transitions. [2022-10-17 16:53:41,239 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2022-10-17 16:53:41,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:53:41,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:41,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:41,543 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:41,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2022-10-17 16:53:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2022-10-17 16:53:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:53:41,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:41,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:42,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:42,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2022-10-17 16:53:42,555 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2022-10-17 16:53:42,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:53:42,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:42,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:43,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 17 states and 40 transitions. [2022-10-17 16:53:43,586 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 40 transitions. [2022-10-17 16:53:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:53:43,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:43,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:44,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2022-10-17 16:53:44,934 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2022-10-17 16:53:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:53:44,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:44,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 19 states and 53 transitions. [2022-10-17 16:53:46,404 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 53 transitions. [2022-10-17 16:53:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:53:46,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:46,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:48,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:48,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 20 states and 60 transitions. [2022-10-17 16:53:48,272 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 60 transitions. [2022-10-17 16:53:48,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:53:48,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:48,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 21 states and 67 transitions. [2022-10-17 16:53:50,443 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 67 transitions. [2022-10-17 16:53:50,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:53:50,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:50,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:51,499 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:52,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:52,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 22 states and 75 transitions. [2022-10-17 16:53:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 75 transitions. [2022-10-17 16:53:52,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:53:52,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:52,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:54,469 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 23 states and 83 transitions. [2022-10-17 16:53:56,053 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 83 transitions. [2022-10-17 16:53:56,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:53:56,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:56,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:57,598 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 24 states and 91 transitions. [2022-10-17 16:53:59,498 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 91 transitions. [2022-10-17 16:53:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:53:59,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:59,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:01,385 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:03,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:03,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 25 states and 100 transitions. [2022-10-17 16:54:03,695 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 100 transitions. [2022-10-17 16:54:03,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:54:03,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:03,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:06,256 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:09,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:09,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 26 states and 109 transitions. [2022-10-17 16:54:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 109 transitions. [2022-10-17 16:54:09,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:54:09,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:09,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:09,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.