./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.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_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/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_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/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_888b5051-83fb-440f-8363-190578ebef52/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 912c617f4562719e6a92adb1d6dcd39c1383cb1ed11c1257bbef9742a710d541 --- 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 16:34:14,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:34:14,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:34:14,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:34:14,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:34:14,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:34:14,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:34:14,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:34:14,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:34:14,334 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:34:14,336 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:34:14,337 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:34:14,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:34:14,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:34:14,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:34:14,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:34:14,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:34:14,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:34:14,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:34:14,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:34:14,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:34:14,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:34:14,365 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:34:14,366 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:34:14,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:34:14,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:34:14,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:34:14,380 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:34:14,381 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:34:14,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:34:14,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:34:14,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:34:14,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:34:14,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:34:14,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:34:14,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:34:14,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:34:14,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:34:14,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:34:14,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:34:14,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:34:14,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:34:14,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:34:14,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:34:14,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:34:14,451 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:34:14,452 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:34:14,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:34:14,453 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:34:14,453 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:34:14,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:34:14,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:34:14,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:34:14,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:34:14,456 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:34:14,456 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:34:14,456 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:34:14,456 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:34:14,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:34:14,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:34:14,457 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:34:14,458 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:34:14,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:34:14,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:14,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:34:14,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:34:14,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:34:14,460 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:34:14,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:34:14,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:34:14,461 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_888b5051-83fb-440f-8363-190578ebef52/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 912c617f4562719e6a92adb1d6dcd39c1383cb1ed11c1257bbef9742a710d541 [2022-10-17 16:34:14,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:34:14,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:34:14,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:34:14,815 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:34:14,816 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:34:14,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c [2022-10-17 16:34:14,884 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/data/5238112fd/e3d93b1783b043049b61ba1484e56156/FLAG999ff3118 [2022-10-17 16:34:15,322 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:34:15,323 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c [2022-10-17 16:34:15,328 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/data/5238112fd/e3d93b1783b043049b61ba1484e56156/FLAG999ff3118 [2022-10-17 16:34:15,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/data/5238112fd/e3d93b1783b043049b61ba1484e56156 [2022-10-17 16:34:15,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:34:15,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:34:15,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:15,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:34:15,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:34:15,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:15" (1/1) ... [2022-10-17 16:34:15,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a31f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:15, skipping insertion in model container [2022-10-17 16:34:15,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:34:15" (1/1) ... [2022-10-17 16:34:15,753 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:34:15,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:34:15,986 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_888b5051-83fb-440f-8363-190578ebef52/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c[458,471] [2022-10-17 16:34:16,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:16,021 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:34:16,039 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_888b5051-83fb-440f-8363-190578ebef52/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound10.c[458,471] [2022-10-17 16:34:16,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:34:16,073 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:34:16,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16 WrapperNode [2022-10-17 16:34:16,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:34:16,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:16,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:34:16,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:34:16,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,116 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 16:34:16,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:34:16,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:34:16,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:34:16,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:34:16,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,156 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:34:16,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:34:16,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:34:16,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:34:16,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:34:16,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:34:16,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:34:16,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_888b5051-83fb-440f-8363-190578ebef52/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:34:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:34:16,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:34:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:34:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:34:16,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:34:16,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:34:16,347 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:34:16,349 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:34:16,485 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:34:16,504 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:34:16,504 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:34:16,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:16 BoogieIcfgContainer [2022-10-17 16:34:16,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:34:16,508 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:34:16,509 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:34:16,520 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:34:16,521 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:34:16" (1/1) ... [2022-10-17 16:34:16,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:34:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:16,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:34:16,596 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:34:16,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:34:16,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:16,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:16,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:34:16,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:16,764 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 16:34:16,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:34:16,786 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:34:16,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:34:16,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:16,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:16,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:34:16,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:16,946 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 16:34:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:17,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:34:17,021 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:34:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:34:17,022 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:17,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:17,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:34:17,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:17,221 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 16:34:17,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:34:17,568 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:34:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:34:17,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:17,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:17,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:34:17,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:18,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:18,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:34:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:34:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:34:18,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:18,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:18,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:34:18,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-10-17 16:34:19,313 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 16:34:19,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:34:19,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:19,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:19,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:34:19,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:19,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:20,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:20,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2022-10-17 16:34:20,328 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2022-10-17 16:34:20,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:34:20,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:20,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:20,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:34:20,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2022-10-17 16:34:20,880 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2022-10-17 16:34:20,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:34:20,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:20,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:20,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:34:20,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:21,081 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:22,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2022-10-17 16:34:22,131 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2022-10-17 16:34:22,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:34:22,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:22,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:22,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:34:22,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:22,257 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:22,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 81 transitions. [2022-10-17 16:34:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 81 transitions. [2022-10-17 16:34:22,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:34:22,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:22,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:22,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:34:22,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:23,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:23,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2022-10-17 16:34:23,785 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2022-10-17 16:34:23,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:34:23,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:23,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:23,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:23,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:34:23,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:23,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:34:24,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2022-10-17 16:34:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2022-10-17 16:34:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:34:24,482 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:24,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:24,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:34:24,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:25,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2022-10-17 16:34:25,467 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2022-10-17 16:34:25,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:34:25,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:25,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:25,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:34:25,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:34:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 125 transitions. [2022-10-17 16:34:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 125 transitions. [2022-10-17 16:34:27,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:34:27,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:27,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:27,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:34:27,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:28,090 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:34:29,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:29,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 126 transitions. [2022-10-17 16:34:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2022-10-17 16:34:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:34:29,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:29,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:29,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:34:29,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:30,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:30,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 65 states and 146 transitions. [2022-10-17 16:34:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 146 transitions. [2022-10-17 16:34:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:34:30,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:30,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:34:30,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 23 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:34:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:31,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 67 states and 147 transitions. [2022-10-17 16:34:31,753 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 147 transitions. [2022-10-17 16:34:31,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:34:31,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:31,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:31,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:34:31,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:34:32,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 69 states and 148 transitions. [2022-10-17 16:34:32,731 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 148 transitions. [2022-10-17 16:34:32,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:34:32,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:32,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:32,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:34:32,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:32,831 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:33,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 161 transitions. [2022-10-17 16:34:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 161 transitions. [2022-10-17 16:34:33,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:34:33,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:33,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:33,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:34:33,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:34,037 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:34,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2022-10-17 16:34:34,322 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2022-10-17 16:34:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:34:34,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:34,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:34,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:34:34,384 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:36,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:36,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 77 states and 183 transitions. [2022-10-17 16:34:36,399 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 183 transitions. [2022-10-17 16:34:36,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:34:36,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:36,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:36,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:34:36,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:34:39,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:39,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 81 states and 205 transitions. [2022-10-17 16:34:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 205 transitions. [2022-10-17 16:34:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:34:39,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:39,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:39,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:34:39,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:39,225 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:34:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:40,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 83 states and 206 transitions. [2022-10-17 16:34:40,080 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 206 transitions. [2022-10-17 16:34:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:34:40,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:40,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:40,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:34:40,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:40,666 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 10 proven. 43 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:34:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 85 states and 207 transitions. [2022-10-17 16:34:42,092 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 207 transitions. [2022-10-17 16:34:42,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:34:42,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:42,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:42,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:34:42,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:43,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:43,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 89 states and 220 transitions. [2022-10-17 16:34:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 220 transitions. [2022-10-17 16:34:43,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:34:43,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:43,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:43,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:34:43,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:34:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 91 states and 221 transitions. [2022-10-17 16:34:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 221 transitions. [2022-10-17 16:34:45,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:34:45,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:45,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:45,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:34:45,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:45,284 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:45,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:45,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 91 states and 220 transitions. [2022-10-17 16:34:45,728 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 220 transitions. [2022-10-17 16:34:45,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:34:45,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:45,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:45,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:34:45,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:46,085 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:34:47,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:47,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 93 states and 221 transitions. [2022-10-17 16:34:47,413 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 221 transitions. [2022-10-17 16:34:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:34:47,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:47,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:47,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:34:47,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:47,492 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:34:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:34:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 93 states and 220 transitions. [2022-10-17 16:34:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 220 transitions. [2022-10-17 16:34:48,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:34:48,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:34:48,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:34:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:34:48,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:34:48,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:34:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 12 proven. 65 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.