./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d64_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d64_e0.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b7649a6a44221c61051bc860d7e6be016b686d123220ec1fd34eb89a0855228e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:11:24,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:11:24,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:11:24,878 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:11:24,879 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:11:24,880 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:11:24,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:11:24,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:11:24,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:11:24,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:11:24,886 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:11:24,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:11:24,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:11:24,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:11:24,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:11:24,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:11:24,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:11:24,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:11:24,894 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:11:24,896 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:11:24,898 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:11:24,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:11:24,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:11:24,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:11:24,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:11:24,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:11:24,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:11:24,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:11:24,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:11:24,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:11:24,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:11:24,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:11:24,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:11:24,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:11:24,911 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:11:24,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:11:24,912 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:11:24,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:11:24,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:11:24,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:11:24,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:11:24,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-64bit-Kojak_Default.epf [2022-12-14 21:11:24,936 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:11:24,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:11:24,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:11:24,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:11:24,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:11:24,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:11:24,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:11:24,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:11:24,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:11:24,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:11:24,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:11:24,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:11:24,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:11:24,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:11:24,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:11:24,940 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:11:24,940 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:11:24,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:11:24,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:11:24,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:11:24,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:11:24,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:11:24,941 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:11:24,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:11:24,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:11:24,942 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_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7649a6a44221c61051bc860d7e6be016b686d123220ec1fd34eb89a0855228e [2022-12-14 21:11:25,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:11:25,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:11:25,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:11:25,153 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:11:25,154 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:11:25,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d64_e0.c [2022-12-14 21:11:27,646 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:11:27,943 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:11:27,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d64_e0.c [2022-12-14 21:11:27,960 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/data/22c0d68ba/f5982b207cc34e7288bfd6b528565738/FLAGd52bf5569 [2022-12-14 21:11:28,211 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/data/22c0d68ba/f5982b207cc34e7288bfd6b528565738 [2022-12-14 21:11:28,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:11:28,214 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:11:28,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:11:28,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:11:28,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:11:28,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:28,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28047951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28, skipping insertion in model container [2022-12-14 21:11:28,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:28,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:11:28,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:11:28,407 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d64_e0.c[1110,1123] [2022-12-14 21:11:28,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:11:28,754 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:11:28,765 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d64_e0.c[1110,1123] [2022-12-14 21:11:28,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:11:28,966 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:11:28,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28 WrapperNode [2022-12-14 21:11:28,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:11:28,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:11:28,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:11:28,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:11:28,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,020 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,160 INFO L138 Inliner]: procedures = 11, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4465 [2022-12-14 21:11:29,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:11:29,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:11:29,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:11:29,161 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:11:29,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,238 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,261 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:11:29,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:11:29,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:11:29,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:11:29,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:11:28" (1/1) ... [2022-12-14 21:11:29,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:11:29,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:11:29,323 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:11:29,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dd7c6e6-8422-47ad-bfd4-1af2c89a0fda/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:11:29,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:11:29,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:11:29,351 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 21:11:29,351 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 21:11:29,858 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:11:29,860 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:17:23,087 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:17:23,253 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:17:23,253 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:17:23,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:17:23 BoogieIcfgContainer [2022-12-14 21:17:23,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:17:23,255 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:17:23,255 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:17:23,262 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:17:23,263 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:17:23" (1/1) ... [2022-12-14 21:17:23,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:17:23,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:23,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2022-12-14 21:17:23,306 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2022-12-14 21:17:23,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:17:23,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:23,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:18:00,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:18:10,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:18:17,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:18:27,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:18:37,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:18:37,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:18:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 38 states and 52 transitions. [2022-12-14 21:18:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2022-12-14 21:18:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:18:37,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:18:37,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:18:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:19:06,838 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:19:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:19:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 39 states and 54 transitions. [2022-12-14 21:19:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2022-12-14 21:19:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:19:06,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:19:06,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:19:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:19:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:19:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:19:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2022-12-14 21:19:32,107 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2022-12-14 21:19:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:19:32,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:19:32,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:19:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:20:02,383 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:20:02,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:20:02,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2022-12-14 21:20:02,402 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2022-12-14 21:20:02,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:20:02,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:20:02,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:20:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:20:27,631 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:20:27,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:20:27,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2022-12-14 21:20:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2022-12-14 21:20:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:20:27,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:20:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:20:41,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:20:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:20:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:20:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2022-12-14 21:20:54,998 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2022-12-14 21:20:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:20:54,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:20:54,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:21:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:21:22,109 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:21:22,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:21:22,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2022-12-14 21:21:22,125 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2022-12-14 21:21:22,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:21:22,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:21:22,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:21:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:21:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:21:48,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:21:48,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2022-12-14 21:21:48,293 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2022-12-14 21:21:48,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:21:48,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:21:48,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:22:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:22:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:22:21,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:22:21,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 46 states and 68 transitions. [2022-12-14 21:22:21,232 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 68 transitions. [2022-12-14 21:22:21,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:22:21,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:22:21,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:22:31,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:22:42,857 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:22:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:22:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2022-12-14 21:22:42,872 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2022-12-14 21:22:42,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:22:42,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:22:42,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:22:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:23:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:23:05,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:23:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 48 states and 72 transitions. [2022-12-14 21:23:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 72 transitions. [2022-12-14 21:23:05,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:23:05,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:23:05,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:23:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:23:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:23:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:23:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 74 transitions. [2022-12-14 21:23:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 74 transitions. [2022-12-14 21:23:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:23:30,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:23:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:23:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:23:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:23:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:23:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2022-12-14 21:23:56,175 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2022-12-14 21:23:56,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:23:56,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:23:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:24:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:24:13,999 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:24:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:24:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2022-12-14 21:24:14,011 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2022-12-14 21:24:14,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:24:14,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:24:14,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:24:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:24:36,846 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:24:36,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:24:36,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 52 states and 80 transitions. [2022-12-14 21:24:36,857 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2022-12-14 21:24:36,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:24:36,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:24:36,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:24:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:25:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:25:06,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:25:06,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2022-12-14 21:25:06,677 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2022-12-14 21:25:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:25:06,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:25:06,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:25:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:25:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-14 21:25:29,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:25:29,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 54 states and 84 transitions. [2022-12-14 21:25:29,689 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 84 transitions. [2022-12-14 21:25:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:25:29,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:25:29,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:25:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat