./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.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_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/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_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/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_54e0df6a-a057-4177-b9ec-58bc50a995eb/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 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 --- 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 16:53:11,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:53:11,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:53:11,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:53:11,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:53:11,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:53:11,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:53:11,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:53:11,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:53:11,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:53:11,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:53:11,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:53:11,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:53:11,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:53:11,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:53:11,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:53:11,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:53:11,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:53:11,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:53:11,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:53:11,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:53:11,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:53:11,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:53:11,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:53:11,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:53:11,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:53:11,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:53:11,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:53:11,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:53:11,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:53:11,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:53:11,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:53:11,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:53:11,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:53:11,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:53:11,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:53:11,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:53:11,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:53:11,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:53:11,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:53:11,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:53:11,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:53:11,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:53:11,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:53:11,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:53:11,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:53:11,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:53:11,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:53:11,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:53:11,610 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:53:11,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:53:11,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:53:11,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:53:11,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:53:11,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:53:11,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:53:11,613 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:53:11,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:53:11,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:53:11,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:53:11,614 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:53:11,614 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:53:11,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:53:11,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:11,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:53:11,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:53:11,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:53:11,616 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:53:11,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:53:11,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:53:11,617 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_54e0df6a-a057-4177-b9ec-58bc50a995eb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74ee724e3f951f784979d99a99eb9387abbe4e82f01cf4b5e019c1ec7f3be827 [2022-10-17 16:53:11,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:53:11,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:53:11,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:53:11,958 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:53:11,959 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:53:11,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2022-10-17 16:53:12,051 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/data/d81fe1a84/27139a7885d3481e86f00d0990a54065/FLAG44e848a5f [2022-10-17 16:53:12,536 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:53:12,537 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c [2022-10-17 16:53:12,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/data/d81fe1a84/27139a7885d3481e86f00d0990a54065/FLAG44e848a5f [2022-10-17 16:53:12,910 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/data/d81fe1a84/27139a7885d3481e86f00d0990a54065 [2022-10-17 16:53:12,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:53:12,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:53:12,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:12,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:53:12,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:53:12,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:12" (1/1) ... [2022-10-17 16:53:12,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a63eab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:12, skipping insertion in model container [2022-10-17 16:53:12,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:53:12" (1/1) ... [2022-10-17 16:53:12,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:53:12,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:53:13,144 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_54e0df6a-a057-4177-b9ec-58bc50a995eb/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2022-10-17 16:53:13,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:13,170 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:53:13,183 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_54e0df6a-a057-4177-b9ec-58bc50a995eb/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound5.c[520,533] [2022-10-17 16:53:13,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:53:13,203 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:53:13,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13 WrapperNode [2022-10-17 16:53:13,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:53:13,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:13,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:53:13,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:53:13,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,217 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,235 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-10-17 16:53:13,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:53:13,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:53:13,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:53:13,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:53:13,246 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,256 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:53:13,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:53:13,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:53:13,260 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:53:13,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:53:13,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:53:13,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:53:13,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e0df6a-a057-4177-b9ec-58bc50a995eb/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:53:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:53:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:53:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:53:13,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:53:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:53:13,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:53:13,408 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:53:13,410 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:53:13,547 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:53:13,563 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:53:13,564 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:53:13,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:13 BoogieIcfgContainer [2022-10-17 16:53:13,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:53:13,567 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:53:13,567 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:53:13,578 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:53:13,578 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:53:13" (1/1) ... [2022-10-17 16:53:13,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:53:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2022-10-17 16:53:13,646 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2022-10-17 16:53:13,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:53:13,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-10-17 16:53:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-10-17 16:53:13,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:53:13,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:13,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 16:53:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:53:13,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:53:13,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:13,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:14,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-10-17 16:53:14,625 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-10-17 16:53:14,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:53:14,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:14,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:14,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:53:14,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:53:15,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2022-10-17 16:53:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2022-10-17 16:53:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:53:15,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:15,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:15,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:53:15,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:15,542 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:53:15,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:15,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2022-10-17 16:53:15,696 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2022-10-17 16:53:15,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:53:15,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:15,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:15,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:15,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:53:16,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2022-10-17 16:53:16,374 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-10-17 16:53:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:53:16,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:16,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:16,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:16,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:53:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 66 transitions. [2022-10-17 16:53:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:53:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:53:17,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:17,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:17,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:53:17,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:17,316 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:53:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:18,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 47 states and 106 transitions. [2022-10-17 16:53:18,580 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 106 transitions. [2022-10-17 16:53:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:53:18,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:18,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:18,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:18,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:53:19,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:19,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 49 states and 107 transitions. [2022-10-17 16:53:19,059 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 107 transitions. [2022-10-17 16:53:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:53:19,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:19,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:19,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:19,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:19,205 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:53:19,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 51 states and 114 transitions. [2022-10-17 16:53:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 114 transitions. [2022-10-17 16:53:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:53:19,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:19,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:19,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:19,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:19,896 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:53:20,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 53 states and 124 transitions. [2022-10-17 16:53:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 124 transitions. [2022-10-17 16:53:20,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:53:20,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:20,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:20,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:20,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:20,956 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:53:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:21,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 123 transitions. [2022-10-17 16:53:21,487 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 123 transitions. [2022-10-17 16:53:21,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:53:21,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:21,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:21,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:21,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:53:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:34,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 53 states and 122 transitions. [2022-10-17 16:53:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2022-10-17 16:53:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:53:34,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:34,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:34,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:34,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:53:34,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 54 states and 130 transitions. [2022-10-17 16:53:34,690 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 130 transitions. [2022-10-17 16:53:34,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:53:34,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:34,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:34,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:34,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-17 16:53:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:34,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 55 states and 132 transitions. [2022-10-17 16:53:34,954 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 132 transitions. [2022-10-17 16:53:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:34,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:34,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:34,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:34,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:53:36,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 59 states and 145 transitions. [2022-10-17 16:53:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 145 transitions. [2022-10-17 16:53:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:36,034 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:36,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:36,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:36,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:53:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:36,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 61 states and 146 transitions. [2022-10-17 16:53:36,748 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 146 transitions. [2022-10-17 16:53:36,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:36,749 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:36,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:36,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:53:36,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:53:38,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 71 states and 205 transitions. [2022-10-17 16:53:38,767 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 205 transitions. [2022-10-17 16:53:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:38,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:38,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:38,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:53:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 73 states and 206 transitions. [2022-10-17 16:53:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 206 transitions. [2022-10-17 16:53:39,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:53:39,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:39,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:39,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:53:39,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:39,596 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:53:39,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 73 states and 205 transitions. [2022-10-17 16:53:39,872 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 205 transitions. [2022-10-17 16:53:39,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:53:39,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:39,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:39,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:39,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:39,924 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2022-10-17 16:53:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 73 states and 204 transitions. [2022-10-17 16:53:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 204 transitions. [2022-10-17 16:53:40,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:53:40,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:40,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:40,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:53:40,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:40,453 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:53:41,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:41,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 75 states and 219 transitions. [2022-10-17 16:53:41,619 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 219 transitions. [2022-10-17 16:53:41,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:53:41,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:41,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:41,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:53:41,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:53:42,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:42,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 75 states and 218 transitions. [2022-10-17 16:53:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 218 transitions. [2022-10-17 16:53:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:53:42,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:42,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:42,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:53:42,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:42,665 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:53:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 75 states and 217 transitions. [2022-10-17 16:53:43,262 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 217 transitions. [2022-10-17 16:53:43,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:53:43,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:43,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:43,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:43,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:43,465 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:53:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:44,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 76 states and 229 transitions. [2022-10-17 16:53:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 229 transitions. [2022-10-17 16:53:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:53:44,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:44,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:44,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:44,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:44,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:44,143 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-10-17 16:53:44,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:44,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 77 states and 232 transitions. [2022-10-17 16:53:44,366 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 232 transitions. [2022-10-17 16:53:44,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:53:44,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:44,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:44,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:53:44,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:53:45,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:45,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 81 states and 249 transitions. [2022-10-17 16:53:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 249 transitions. [2022-10-17 16:53:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:53:45,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:45,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:45,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:45,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:53:45,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:53:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 87 states and 277 transitions. [2022-10-17 16:53:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 277 transitions. [2022-10-17 16:53:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:53:47,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:47,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:47,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:53:47,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 18 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.