./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/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_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/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 32bit --witnessprinter.graph.data.programhash e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 --- 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 19:40:41,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:40:41,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:40:41,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:40:41,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:40:41,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:40:41,283 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:40:41,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:40:41,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:40:41,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:40:41,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:40:41,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:40:41,287 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:40:41,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:40:41,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:40:41,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:40:41,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:40:41,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:40:41,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:40:41,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:40:41,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:40:41,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:40:41,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:40:41,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:40:41,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:40:41,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:40:41,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:40:41,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:40:41,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:40:41,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:40:41,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:40:41,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:40:41,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:40:41,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:40:41,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:40:41,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:40:41,309 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:40:41,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:40:41,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:40:41,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:40:41,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:40:41,312 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 19:40:41,332 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:40:41,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:40:41,333 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:40:41,333 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:40:41,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:40:41,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:40:41,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:40:41,334 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 19:40:41,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:40:41,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 19:40:41,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:40:41,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:40:41,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:40:41,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:40:41,335 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 19:40:41,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:40:41,335 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:40:41,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:40:41,335 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:40:41,335 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:40:41,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:40:41,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:40:41,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:40:41,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:40:41,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:40:41,336 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:40:41,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:40:41,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:40:41,336 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_66abb4da-1258-45d8-aac6-af0d9eff2918/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46fdb43c1704e8aa9295c108b22e9521ffebb273e9060ca31abf40569948ab2 [2022-12-14 19:40:41,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:40:41,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:40:41,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:40:41,519 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:40:41,519 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:40:41,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2022-12-14 19:40:44,104 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:40:44,253 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:40:44,253 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2022-12-14 19:40:44,258 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/data/4deedbaad/6b54af593af840278f154a58789396bd/FLAG8ac05268b [2022-12-14 19:40:44,679 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/data/4deedbaad/6b54af593af840278f154a58789396bd [2022-12-14 19:40:44,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:40:44,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:40:44,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:40:44,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:40:44,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:40:44,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef51043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44, skipping insertion in model container [2022-12-14 19:40:44,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:40:44,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:40:44,802 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_66abb4da-1258-45d8-aac6-af0d9eff2918/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i[951,964] [2022-12-14 19:40:44,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:40:44,819 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:40:44,828 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_66abb4da-1258-45d8-aac6-af0d9eff2918/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i[951,964] [2022-12-14 19:40:44,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:40:44,841 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:40:44,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44 WrapperNode [2022-12-14 19:40:44,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:40:44,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:40:44,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:40:44,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:40:44,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,864 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-12-14 19:40:44,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:40:44,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:40:44,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:40:44,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:40:44,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,871 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:40:44,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:40:44,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:40:44,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:40:44,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:40:44" (1/1) ... [2022-12-14 19:40:44,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:40:44,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:40:44,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:40:44,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:40:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:40:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:40:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:40:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:40:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 19:40:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 19:40:44,991 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:40:44,992 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:40:45,085 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:40:45,108 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:40:45,108 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 19:40:45,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:40:45 BoogieIcfgContainer [2022-12-14 19:40:45,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:40:45,111 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:40:45,111 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:40:45,118 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:40:45,119 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:40:45" (1/1) ... [2022-12-14 19:40:45,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:40:45,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2022-12-14 19:40:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2022-12-14 19:40:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 19:40:45,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:45,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:45,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 19:40:45,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:45,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2022-12-14 19:40:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2022-12-14 19:40:45,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 19:40:45,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:45,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:45,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 19:40:45,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:45,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:45,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-12-14 19:40:45,424 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-12-14 19:40:45,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 19:40:45,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:45,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:45,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 19:40:45,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-12-14 19:40:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-12-14 19:40:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 19:40:45,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:45,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:45,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 19:40:45,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:45,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2022-12-14 19:40:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2022-12-14 19:40:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 19:40:46,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:46,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:46,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 19:40:46,254 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:46,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:46,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 32 states and 52 transitions. [2022-12-14 19:40:46,371 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2022-12-14 19:40:46,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:40:46,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:46,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:46,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 19:40:46,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:46,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2022-12-14 19:40:47,250 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2022-12-14 19:40:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:40:47,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:47,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:47,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 19:40:47,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:47,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:47,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2022-12-14 19:40:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2022-12-14 19:40:47,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:40:47,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:47,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:47,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 19:40:47,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:48,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 43 states and 79 transitions. [2022-12-14 19:40:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2022-12-14 19:40:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 19:40:48,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:48,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:48,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 19:40:48,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:48,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 85 transitions. [2022-12-14 19:40:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2022-12-14 19:40:48,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 19:40:48,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:48,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:48,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-14 19:40:48,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:48,532 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 48 states and 92 transitions. [2022-12-14 19:40:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 92 transitions. [2022-12-14 19:40:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:40:48,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:48,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:48,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:40:48,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:48,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:49,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:49,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2022-12-14 19:40:49,214 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2022-12-14 19:40:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:40:49,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:49,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:49,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 19:40:49,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 57 states and 115 transitions. [2022-12-14 19:40:50,552 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2022-12-14 19:40:50,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:40:50,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:50,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:50,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:40:50,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:51,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 60 states and 127 transitions. [2022-12-14 19:40:51,093 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 127 transitions. [2022-12-14 19:40:51,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:40:51,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:51,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:51,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 19:40:51,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:51,256 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:52,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2022-12-14 19:40:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2022-12-14 19:40:52,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:40:52,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:52,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:52,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 19:40:52,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:52,822 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 71 states and 166 transitions. [2022-12-14 19:40:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 166 transitions. [2022-12-14 19:40:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 19:40:54,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:54,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:54,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:40:54,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 73 states and 177 transitions. [2022-12-14 19:40:54,804 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 177 transitions. [2022-12-14 19:40:54,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:40:54,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:54,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:54,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 19:40:54,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:56,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 79 states and 194 transitions. [2022-12-14 19:40:56,804 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 194 transitions. [2022-12-14 19:40:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:40:56,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:56,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:56,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 19:40:56,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:57,017 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:40:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:40:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 85 states and 214 transitions. [2022-12-14 19:40:58,671 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 214 transitions. [2022-12-14 19:40:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:40:58,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:40:58,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:40:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:40:58,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 19:40:58,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:40:58,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:00,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 90 states and 227 transitions. [2022-12-14 19:41:00,431 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 227 transitions. [2022-12-14 19:41:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:41:00,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:00,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:00,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 19:41:00,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:00,577 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 19:41:01,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:01,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 94 states and 244 transitions. [2022-12-14 19:41:01,524 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 244 transitions. [2022-12-14 19:41:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:41:01,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:01,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:01,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:41:01,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:01,752 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 97 states and 254 transitions. [2022-12-14 19:41:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 254 transitions. [2022-12-14 19:41:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 19:41:02,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:02,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:02,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 21 conjunts are in the unsatisfiable core [2022-12-14 19:41:02,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:02,455 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:03,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:03,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 100 states and 263 transitions. [2022-12-14 19:41:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 263 transitions. [2022-12-14 19:41:03,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:41:03,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:03,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:03,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 19:41:03,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:03,787 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:07,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 107 states and 289 transitions. [2022-12-14 19:41:07,245 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 289 transitions. [2022-12-14 19:41:07,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:41:07,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:07,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:07,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 19:41:07,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:07,389 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:09,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:09,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 111 states and 296 transitions. [2022-12-14 19:41:09,092 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 296 transitions. [2022-12-14 19:41:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:41:09,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:09,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:09,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:41:09,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:09,126 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:11,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 117 states and 327 transitions. [2022-12-14 19:41:11,359 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 327 transitions. [2022-12-14 19:41:11,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:41:11,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:11,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:11,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 19:41:11,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 119 states and 331 transitions. [2022-12-14 19:41:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 331 transitions. [2022-12-14 19:41:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:41:12,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:12,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:12,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-14 19:41:12,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:13,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 121 states and 335 transitions. [2022-12-14 19:41:13,442 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 335 transitions. [2022-12-14 19:41:13,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:41:13,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:13,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:13,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 19:41:13,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:13,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 121 states and 334 transitions. [2022-12-14 19:41:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 334 transitions. [2022-12-14 19:41:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 19:41:13,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:13,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:13,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:41:13,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:13,982 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:14,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 123 states and 335 transitions. [2022-12-14 19:41:14,337 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 335 transitions. [2022-12-14 19:41:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:41:14,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:14,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:14,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 19:41:14,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:16,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 124 states and 341 transitions. [2022-12-14 19:41:16,122 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 341 transitions. [2022-12-14 19:41:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:41:16,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:16,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:16,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 19:41:16,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 124 states and 337 transitions. [2022-12-14 19:41:17,636 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 337 transitions. [2022-12-14 19:41:17,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:41:17,637 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:17,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:17,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 19:41:17,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 124 states and 332 transitions. [2022-12-14 19:41:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 332 transitions. [2022-12-14 19:41:18,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:41:18,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:18,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:18,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 19:41:18,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:18,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 91 states and 204 transitions. [2022-12-14 19:41:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 204 transitions. [2022-12-14 19:41:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 19:41:18,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:18,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:18,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 19:41:18,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:21,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:21,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 93 states and 208 transitions. [2022-12-14 19:41:21,596 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 208 transitions. [2022-12-14 19:41:21,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:41:21,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:21,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 19:41:21,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:26,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 99 states and 231 transitions. [2022-12-14 19:41:26,142 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 231 transitions. [2022-12-14 19:41:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:41:26,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:26,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:26,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-14 19:41:26,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:27,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:27,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 102 states and 239 transitions. [2022-12-14 19:41:27,963 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 239 transitions. [2022-12-14 19:41:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:41:27,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:27,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:28,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 19:41:28,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:28,264 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:29,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 104 states and 242 transitions. [2022-12-14 19:41:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 242 transitions. [2022-12-14 19:41:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:41:29,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:29,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:29,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:41:29,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:29,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:30,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 106 states and 248 transitions. [2022-12-14 19:41:30,806 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 248 transitions. [2022-12-14 19:41:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:41:30,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:30,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:30,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 19:41:30,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:32,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 108 states and 251 transitions. [2022-12-14 19:41:32,855 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 251 transitions. [2022-12-14 19:41:32,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:41:32,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:32,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:32,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 19:41:32,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:33,313 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-12-14 19:41:34,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:34,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 108 states and 227 transitions. [2022-12-14 19:41:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 227 transitions. [2022-12-14 19:41:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 19:41:34,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:34,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:34,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 19:41:34,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:35,133 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:41,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:41,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 110 states and 229 transitions. [2022-12-14 19:41:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 229 transitions. [2022-12-14 19:41:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:41:41,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:41,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:41,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 19:41:41,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:41,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:50,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:50,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 115 states and 243 transitions. [2022-12-14 19:41:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 243 transitions. [2022-12-14 19:41:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:41:50,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:50,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:50,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 19:41:50,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:50,626 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 117 states and 255 transitions. [2022-12-14 19:41:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 255 transitions. [2022-12-14 19:41:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 19:41:52,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:52,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:52,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 19:41:52,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:53,113 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:41:54,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:41:54,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 118 states and 260 transitions. [2022-12-14 19:41:54,159 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 260 transitions. [2022-12-14 19:41:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:41:54,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:41:54,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:41:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:41:54,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 19:41:54,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:41:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:42:00,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:42:00,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 125 states and 279 transitions. [2022-12-14 19:42:00,373 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 279 transitions. [2022-12-14 19:42:00,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:42:00,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:42:00,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:42:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:42:00,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 19:42:00,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:42:00,825 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:42:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:42:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 127 states and 281 transitions. [2022-12-14 19:42:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 281 transitions. [2022-12-14 19:42:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:42:02,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:42:02,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:42:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:42:02,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 19:42:02,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:42:02,565 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 19:42:03,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:42:03,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 129 states and 283 transitions. [2022-12-14 19:42:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 283 transitions. [2022-12-14 19:42:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:42:03,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:42:03,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:42:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:42:03,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 19:42:03,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:42:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:42:10,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:42:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 133 states and 299 transitions. [2022-12-14 19:42:10,297 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 299 transitions. [2022-12-14 19:42:10,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:42:10,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:42:10,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:42:12,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:42:12,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 19:42:12,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:42:14,264 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 19:42:30,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:42:30,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 143 states and 321 transitions. [2022-12-14 19:42:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 321 transitions. [2022-12-14 19:42:30,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 19:42:30,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:42:30,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:42:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:42:30,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 19:42:30,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 19:42:30,634 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:42:31,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:42:31,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 64 states and 82 transitions. [2022-12-14 19:42:31,479 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2022-12-14 19:42:31,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:42:31,480 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 51 iterations. [2022-12-14 19:42:31,486 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 19:42:32,713 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:42:32,715 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:42:32,716 INFO L560 CodeCheckObserver]: Invariant with dag size 46 [2022-12-14 19:42:32,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:42:32 ImpRootNode [2022-12-14 19:42:32,721 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:42:32,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:42:32,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:42:32,722 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:42:32,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:40:45" (3/4) ... [2022-12-14 19:42:32,725 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:42:32,730 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 19:42:32,733 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-12-14 19:42:32,733 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 19:42:32,733 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 19:42:32,733 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 19:42:32,764 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:42:32,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:42:32,764 INFO L158 Benchmark]: Toolchain (without parser) took 108082.57ms. Allocated memory was 134.2MB in the beginning and 285.2MB in the end (delta: 151.0MB). Free memory was 98.8MB in the beginning and 157.3MB in the end (delta: -58.5MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2022-12-14 19:42:32,765 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:42:32,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 158.99ms. Allocated memory is still 134.2MB. Free memory was 98.8MB in the beginning and 88.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 19:42:32,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.61ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:42:32,765 INFO L158 Benchmark]: Boogie Preprocessor took 13.52ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 85.8MB in the end (delta: 944.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:42:32,766 INFO L158 Benchmark]: RCFGBuilder took 231.24ms. Allocated memory is still 134.2MB. Free memory was 85.4MB in the beginning and 73.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-14 19:42:32,766 INFO L158 Benchmark]: CodeCheck took 107610.38ms. Allocated memory was 134.2MB in the beginning and 285.2MB in the end (delta: 151.0MB). Free memory was 73.7MB in the beginning and 159.4MB in the end (delta: -85.7MB). Peak memory consumption was 183.7MB. Max. memory is 16.1GB. [2022-12-14 19:42:32,766 INFO L158 Benchmark]: Witness Printer took 42.42ms. Allocated memory is still 285.2MB. Free memory was 159.4MB in the beginning and 157.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:42:32,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 106.3s, OverallIterations: 51, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11242 SdHoareTripleChecker+Valid, 83.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8951 mSDsluCounter, 2535 SdHoareTripleChecker+Invalid, 75.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1332 mSDsCounter, 11011 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46580 IncrementalHoareTripleChecker+Invalid, 57591 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11011 mSolverCounterUnsat, 1203 mSDtfsCounter, 46580 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13808 GetRequests, 12679 SyntacticMatches, 357 SemanticMatches, 772 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322706 ImplicationChecksByTransitivity, 92.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 11.6s InterpolantComputationTime, 1018 NumberOfCodeBlocks, 1018 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 968 ConstructedInterpolants, 0 QuantifiedInterpolants, 7199 SizeOfPredicates, 129 NumberOfNonLiveVariables, 3847 ConjunctsInSsa, 793 ConjunctsInUnsatCore, 50 InterpolantComputations, 11 PerfectInterpolantSequences, 321/758 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((((((counter <= 1 && 1 <= r % 4294967296) && q == 0) && !(counter <= 0)) && A == r) && 2 == b) && B == 1) || (((16 <= r % 4294967296 && q == 0) && A == r) && !(counter <= 4))) || (((((b == 8 && counter <= 3) && q == 0) && !(counter <= 2)) && A == r) && 4 <= r % 4294967296)) || (((((0 <= counter && counter <= 0) && q == 0) && B == b) && A == r) && B == 1)) || (((((16 == b && counter <= 4) && !(counter <= 3)) && 1 <= r % 4294967296) && q == 0) && A == r)) || ((((((q == 0 && 2 <= r % 4294967296) && A == r) && !(counter <= 1)) && b == B * 4) && B == 1) && counter <= 2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 134.2MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 158.99ms. Allocated memory is still 134.2MB. Free memory was 98.8MB in the beginning and 88.4MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.61ms. Allocated memory is still 134.2MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.52ms. Allocated memory is still 134.2MB. Free memory was 86.8MB in the beginning and 85.8MB in the end (delta: 944.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.24ms. Allocated memory is still 134.2MB. Free memory was 85.4MB in the beginning and 73.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 107610.38ms. Allocated memory was 134.2MB in the beginning and 285.2MB in the end (delta: 151.0MB). Free memory was 73.7MB in the beginning and 159.4MB in the end (delta: -85.7MB). Peak memory consumption was 183.7MB. Max. memory is 16.1GB. * Witness Printer took 42.42ms. Allocated memory is still 285.2MB. Free memory was 159.4MB in the beginning and 157.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 19:42:32,978 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2022-12-14 19:42:33,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_66abb4da-1258-45d8-aac6-af0d9eff2918/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE