./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.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_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/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_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/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_94954894-2f04-4073-a429-45f12380589c/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 eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 --- 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 16:41:25,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:25,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:25,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:25,129 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:25,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:25,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:25,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:25,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:25,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:25,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:25,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:25,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:25,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:25,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:25,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:25,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:25,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:25,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:25,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:25,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:25,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:25,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:25,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:25,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:25,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:25,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:25,203 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:25,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:25,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:25,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:25,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:25,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:25,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:25,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:25,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:25,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:25,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:25,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:25,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:25,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:25,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:25,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:25,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:25,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:25,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:25,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:25,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:25,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:25,275 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:25,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:25,276 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:25,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:25,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:25,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:25,277 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:25,277 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:25,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:25,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:25,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:25,278 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:25,278 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:25,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:25,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:25,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:25,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:25,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:25,280 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:25,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:25,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:25,280 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_94954894-2f04-4073-a429-45f12380589c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eca9698a1815aa69bf5bb4e6a29e6765cf3c81610416c113408762dc59e2dc60 [2022-10-17 16:41:25,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:25,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:25,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:25,554 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:25,555 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:25,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c [2022-10-17 16:41:25,624 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/data/d941f48ee/19e0e2018deb448db604b6acdfb1cf58/FLAG86e7c621d [2022-10-17 16:41:26,098 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:26,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c [2022-10-17 16:41:26,111 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/data/d941f48ee/19e0e2018deb448db604b6acdfb1cf58/FLAG86e7c621d [2022-10-17 16:41:26,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/data/d941f48ee/19e0e2018deb448db604b6acdfb1cf58 [2022-10-17 16:41:26,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:26,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:26,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:26,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:26,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:26,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c4a8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26, skipping insertion in model container [2022-10-17 16:41:26,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:26,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:26,873 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_94954894-2f04-4073-a429-45f12380589c/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c[525,538] [2022-10-17 16:41:26,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:26,899 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:26,912 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_94954894-2f04-4073-a429-45f12380589c/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound100.c[525,538] [2022-10-17 16:41:26,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:26,936 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:26,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26 WrapperNode [2022-10-17 16:41:26,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:26,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:26,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:26,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:26,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,952 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,970 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-10-17 16:41:26,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:26,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:26,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:26,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:26,982 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,993 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:26,999 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:27,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:27,000 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:27,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:27,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:26" (1/1) ... [2022-10-17 16:41:27,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:27,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:27,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:27,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94954894-2f04-4073-a429-45f12380589c/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:41:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:41:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:41:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:41:27,178 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:27,181 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:27,353 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:27,388 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:27,388 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:41:27,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:27 BoogieIcfgContainer [2022-10-17 16:41:27,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:27,392 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:27,392 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:27,405 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:27,405 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:27" (1/1) ... [2022-10-17 16:41:27,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:27,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-10-17 16:41:27,482 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-10-17 16:41:27,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:41:27,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:27,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:27,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:27,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:27,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2022-10-17 16:41:27,987 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2022-10-17 16:41:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:41:27,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:27,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:28,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:41:28,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:28,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:41:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2022-10-17 16:41:28,615 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-10-17 16:41:28,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:41:28,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:28,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:28,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:41:28,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:31,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:31,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 50 transitions. [2022-10-17 16:41:31,134 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-10-17 16:41:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:41:31,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:31,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:31,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:41:31,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:31,574 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:41:32,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:32,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 56 transitions. [2022-10-17 16:41:32,973 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2022-10-17 16:41:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:41:32,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:32,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:33,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:33,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:41:33,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:33,431 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:41:35,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 61 transitions. [2022-10-17 16:41:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2022-10-17 16:41:35,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:41:35,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:35,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:35,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:41:35,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:35,695 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:41:38,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 43 states and 66 transitions. [2022-10-17 16:41:38,697 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2022-10-17 16:41:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:41:38,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:38,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:38,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 16:41:38,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:39,518 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 10 proven. 42 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-17 16:41:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:43,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 71 transitions. [2022-10-17 16:41:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2022-10-17 16:41:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:41:43,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:43,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:43,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 16:41:43,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:44,135 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 12 proven. 59 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-17 16:41:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 49 states and 76 transitions. [2022-10-17 16:41:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 76 transitions. [2022-10-17 16:41:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:41:48,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:48,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:49,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 16:41:49,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:41:50,665 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:42:00,810 WARN L233 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)