./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.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_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/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_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/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_64861a81-98b6-4cba-940e-b4cbdca82f12/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 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 --- 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 17:05:44,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:44,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:45,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:45,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:45,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:45,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:45,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:45,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:45,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:45,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:45,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:45,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:45,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:45,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:45,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:45,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:45,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:45,088 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:45,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:45,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:45,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:45,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:45,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:45,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:45,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:45,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:45,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:45,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:45,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:45,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:45,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:45,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:45,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:45,129 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:45,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:45,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:45,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:45,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:45,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:45,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:45,133 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:45,174 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:45,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:45,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:45,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:45,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:45,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:45,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:45,177 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:45,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:45,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:45,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:45,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:45,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:45,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:45,180 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:45,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:45,180 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:45,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:45,181 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:45,181 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:45,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:45,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:45,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:45,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:45,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:45,183 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:45,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:45,184 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:45,184 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_64861a81-98b6-4cba-940e-b4cbdca82f12/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47fbdb3da16165eeeef0687b73275c90a2682f5a520ac2387154637187559fe6 [2022-10-17 17:05:45,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:45,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:45,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:45,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:45,485 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:45,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2022-10-17 17:05:45,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/data/7d28cabd8/6a7651d69e824792a1f53236326176e6/FLAG5ec138419 [2022-10-17 17:05:46,105 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:46,106 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c [2022-10-17 17:05:46,118 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/data/7d28cabd8/6a7651d69e824792a1f53236326176e6/FLAG5ec138419 [2022-10-17 17:05:46,521 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/data/7d28cabd8/6a7651d69e824792a1f53236326176e6 [2022-10-17 17:05:46,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:46,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:46,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:46,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:46,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:46,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100025f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46, skipping insertion in model container [2022-10-17 17:05:46,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:46,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:46,762 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_64861a81-98b6-4cba-940e-b4cbdca82f12/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c[458,471] [2022-10-17 17:05:46,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:46,796 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:46,806 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_64861a81-98b6-4cba-940e-b4cbdca82f12/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound100.c[458,471] [2022-10-17 17:05:46,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:46,823 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:05:46,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46 WrapperNode [2022-10-17 17:05:46,824 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:46,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:46,825 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:05:46,825 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:05:46,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,857 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2022-10-17 17:05:46,858 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:05:46,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:05:46,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:05:46,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:05:46,867 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,876 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:05:46,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:05:46,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:05:46,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:05:46,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:46" (1/1) ... [2022-10-17 17:05:46,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:46,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:05:46,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:05:46,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64861a81-98b6-4cba-940e-b4cbdca82f12/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:05:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:05:46,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:05:46,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:05:46,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:05:46,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:05:46,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:05:47,063 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:05:47,065 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:05:47,269 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:05:47,296 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:05:47,297 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:05:47,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:47 BoogieIcfgContainer [2022-10-17 17:05:47,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:05:47,302 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:05:47,303 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:05:47,312 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:05:47,313 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:05:47" (1/1) ... [2022-10-17 17:05:47,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:05:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2022-10-17 17:05:47,410 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2022-10-17 17:05:47,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:05:47,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:47,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:47,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:05:47,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:47,637 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 17:05:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2022-10-17 17:05:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2022-10-17 17:05:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:47,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:47,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:05:47,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:47,784 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 17:05:47,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:05:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-10-17 17:05:47,853 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-10-17 17:05:47,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:05:47,853 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:05:47,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:05:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:05:47,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:05:47,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:05:48,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.