./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/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_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/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_e6a9d249-43e8-4c94-b0b4-072f0f883934/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 76a219f1c64e889b9539a62cf30988094d07e133bf7ccaa4e013534e44709a48 --- 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 [2022-12-15 01:05:16,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:05:16,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:05:16,170 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:05:16,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:05:16,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:05:16,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:05:16,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:05:16,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:05:16,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:05:16,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:05:16,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:05:16,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:05:16,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:05:16,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:05:16,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:05:16,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:05:16,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:05:16,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:05:16,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:05:16,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:05:16,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:05:16,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:05:16,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:05:16,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:05:16,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:05:16,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:05:16,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:05:16,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:05:16,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:05:16,189 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:05:16,189 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:05:16,190 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:05:16,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:05:16,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:05:16,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:05:16,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:05:16,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:05:16,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:05:16,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:05:16,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:05:16,194 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:05:16,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:05:16,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:05:16,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:05:16,209 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:05:16,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:05:16,209 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:05:16,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:05:16,209 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:05:16,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:05:16,210 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:05:16,210 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:05:16,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:05:16,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:05:16,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:05:16,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:05:16,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:05:16,211 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:05:16,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:05:16,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:05:16,211 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_e6a9d249-43e8-4c94-b0b4-072f0f883934/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76a219f1c64e889b9539a62cf30988094d07e133bf7ccaa4e013534e44709a48 [2022-12-15 01:05:16,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:05:16,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:05:16,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:05:16,413 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:05:16,413 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:05:16,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c [2022-12-15 01:05:18,998 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:05:19,148 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:05:19,148 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c [2022-12-15 01:05:19,152 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/data/d62205606/067b237c248d43f3800521d83850a170/FLAG032aabdbd [2022-12-15 01:05:19,162 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/data/d62205606/067b237c248d43f3800521d83850a170 [2022-12-15 01:05:19,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:05:19,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:05:19,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:05:19,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:05:19,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:05:19,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2607a103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19, skipping insertion in model container [2022-12-15 01:05:19,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:05:19,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:05:19,282 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_e6a9d249-43e8-4c94-b0b4-072f0f883934/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c[525,538] [2022-12-15 01:05:19,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:05:19,307 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:05:19,319 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_e6a9d249-43e8-4c94-b0b4-072f0f883934/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c[525,538] [2022-12-15 01:05:19,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:05:19,336 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:05:19,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19 WrapperNode [2022-12-15 01:05:19,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:05:19,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:05:19,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:05:19,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:05:19,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,368 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-12-15 01:05:19,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:05:19,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:05:19,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:05:19,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:05:19,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,385 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:05:19,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:05:19,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:05:19,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:05:19,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:05:19,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:05:19,418 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:05:19,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6a9d249-43e8-4c94-b0b4-072f0f883934/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:05:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:05:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:05:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:05:19,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:05:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-15 01:05:19,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-15 01:05:19,515 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:05:19,517 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:05:19,611 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:05:19,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:05:19,623 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:05:19,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:05:19 BoogieIcfgContainer [2022-12-15 01:05:19,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:05:19,626 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:05:19,626 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:05:19,633 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:05:19,633 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:05:19" (1/1) ... [2022-12-15 01:05:19,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:05:19,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:05:19,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-12-15 01:05:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-12-15 01:05:19,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 01:05:19,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:05:19,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:05:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:19,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:19,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-15 01:05:19,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:05:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:05:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:05:19,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-12-15 01:05:19,817 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-12-15 01:05:19,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:05:19,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:05:19,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:05:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:19,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-15 01:05:19,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:05:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:05:19,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:05:19,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-12-15 01:05:19,938 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-12-15 01:05:19,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 01:05:19,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:05:19,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:05:19,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:19,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-15 01:05:19,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:05:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:05:20,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:05:20,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-12-15 01:05:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-12-15 01:05:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:05:20,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:05:20,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:05:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:20,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 01:05:20,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:05:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:05:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:05:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-12-15 01:05:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-12-15 01:05:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:05:20,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:05:20,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:05:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:20,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-15 01:05:20,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:05:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:05:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:05:21,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-12-15 01:05:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-12-15 01:05:21,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:05:21,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:05:21,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:05:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:21,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 01:05:21,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:05:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:05:22,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:05:22,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2022-12-15 01:05:22,313 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2022-12-15 01:05:22,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 01:05:22,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:05:22,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:05:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:22,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:05:22,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:05:22,499 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:05:44,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:05:44,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:05:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2022-12-15 01:05:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2022-12-15 01:05:44,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:05:44,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:05:44,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:05:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:05:44,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:05:44,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:05:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:05:55,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:06:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:06:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 48 states and 106 transitions. [2022-12-15 01:06:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 106 transitions. [2022-12-15 01:06:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:06:06,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:06:06,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:06:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:06:06,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:06:06,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:06:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:06:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:06:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 50 states and 107 transitions. [2022-12-15 01:06:35,189 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 107 transitions. [2022-12-15 01:06:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:06:35,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:06:35,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:06:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:06:35,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:06:35,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:06:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 01:07:02,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:07:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:02,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 111 transitions. [2022-12-15 01:07:02,707 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 111 transitions. [2022-12-15 01:07:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:07:02,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:02,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:02,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:07:02,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:07:02,748 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:07:03,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 52 states and 110 transitions. [2022-12-15 01:07:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 110 transitions. [2022-12-15 01:07:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:07:03,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:03,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:03,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:07:03,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:07:03,157 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:07:03,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:03,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 53 states and 113 transitions. [2022-12-15 01:07:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 113 transitions. [2022-12-15 01:07:03,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 01:07:03,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:03,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:03,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-15 01:07:03,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:07:03,642 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:07:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 117 transitions. [2022-12-15 01:07:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 117 transitions. [2022-12-15 01:07:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:07:03,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:03,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:03,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:07:03,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:07:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:07:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:28,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 62 states and 146 transitions. [2022-12-15 01:07:28,554 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 146 transitions. [2022-12-15 01:07:28,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:07:28,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:28,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:28,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:07:28,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:07:28,825 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-15 01:07:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:32,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 64 states and 151 transitions. [2022-12-15 01:07:32,228 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 151 transitions. [2022-12-15 01:07:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:07:32,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:32,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:32,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:07:32,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:07:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:07:32,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 64 states and 150 transitions. [2022-12-15 01:07:32,828 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 150 transitions. [2022-12-15 01:07:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:07:32,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:32,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:32,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:07:32,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:07:32,873 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:07:33,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 65 states and 152 transitions. [2022-12-15 01:07:33,191 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 152 transitions. [2022-12-15 01:07:33,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-15 01:07:33,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:33,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:33,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-15 01:07:33,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:07:33,236 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:07:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:33,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 66 states and 157 transitions. [2022-12-15 01:07:33,491 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 157 transitions. [2022-12-15 01:07:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 01:07:33,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:33,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:33,514 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 01:07:33,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:07:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:07:45,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:07:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:07:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 74 states and 191 transitions. [2022-12-15 01:07:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 191 transitions. [2022-12-15 01:07:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 01:07:54,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:07:54,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:07:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:07:54,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:07:54,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:08:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-15 01:08:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 76 states and 198 transitions. [2022-12-15 01:08:09,995 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 198 transitions. [2022-12-15 01:08:09,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 01:08:09,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:09,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:10,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 01:08:10,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:08:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:10,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 77 states and 200 transitions. [2022-12-15 01:08:10,380 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 200 transitions. [2022-12-15 01:08:10,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-15 01:08:10,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:10,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:10,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-15 01:08:10,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:08:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:11,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 78 states and 202 transitions. [2022-12-15 01:08:11,090 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 202 transitions. [2022-12-15 01:08:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 01:08:11,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:11,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-15 01:08:11,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:08:11,329 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:13,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:08:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 236 transitions. [2022-12-15 01:08:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 236 transitions. [2022-12-15 01:08:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 01:08:17,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:17,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:17,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:08:17,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:08:22,900 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-12-15 01:08:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 88 states and 243 transitions. [2022-12-15 01:08:50,438 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 243 transitions. [2022-12-15 01:08:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 01:08:50,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:50,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:50,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-15 01:08:50,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:08:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:51,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 89 states and 245 transitions. [2022-12-15 01:08:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 245 transitions. [2022-12-15 01:08:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 01:08:51,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:51,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:51,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-15 01:08:51,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:08:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:08:51,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:08:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 90 states and 252 transitions. [2022-12-15 01:08:51,670 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 252 transitions. [2022-12-15 01:08:51,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:08:51,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:08:51,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:08:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:08:51,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:08:51,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:08:51,950 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:09:01,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:09:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:09:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 98 states and 289 transitions. [2022-12-15 01:09:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 289 transitions. [2022-12-15 01:09:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:09:19,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:09:19,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:09:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:09:19,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:09:19,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:09:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-12-15 01:09:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:09:41,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 100 states and 297 transitions. [2022-12-15 01:09:41,407 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 297 transitions. [2022-12-15 01:09:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:09:41,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:09:41,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:09:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:09:41,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:09:41,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:09:41,482 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:09:41,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:09:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 101 states and 305 transitions. [2022-12-15 01:09:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 305 transitions. [2022-12-15 01:09:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-15 01:09:41,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:09:41,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:09:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:09:41,910 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:09:41,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:09:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:09:42,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:09:42,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 102 states and 307 transitions. [2022-12-15 01:09:42,492 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 307 transitions. [2022-12-15 01:09:42,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-15 01:09:42,492 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:09:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:09:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:09:42,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 01:09:42,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:09:42,853 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:09:47,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:10:13,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:10:14,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:10:14,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 110 states and 347 transitions. [2022-12-15 01:10:14,142 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 347 transitions. [2022-12-15 01:10:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-15 01:10:14,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:10:14,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:10:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:10:14,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:10:14,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:10:28,011 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 58 proven. 1 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-12-15 01:10:36,611 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:10:46,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:10:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 112 states and 356 transitions. [2022-12-15 01:10:46,756 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 356 transitions. [2022-12-15 01:10:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-15 01:10:46,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:10:46,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:10:46,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:10:46,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 01:10:46,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:10:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:10:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:10:47,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 113 states and 365 transitions. [2022-12-15 01:10:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 365 transitions. [2022-12-15 01:10:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-15 01:10:47,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:10:47,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:10:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:10:47,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-15 01:10:47,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:10:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:10:48,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:10:48,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 114 states and 367 transitions. [2022-12-15 01:10:48,268 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 367 transitions. [2022-12-15 01:10:48,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:10:48,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:10:48,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:10:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:10:48,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-15 01:10:48,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:10:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 16 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:11:18,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:11:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 122 states and 417 transitions. [2022-12-15 01:11:18,006 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 417 transitions. [2022-12-15 01:11:18,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:11:18,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:11:18,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:11:18,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:11:18,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-15 01:11:18,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:11:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 67 proven. 1 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-15 01:11:43,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2022-12-15 01:11:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:11:43,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 124 states and 429 transitions. [2022-12-15 01:11:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 429 transitions. [2022-12-15 01:11:43,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-15 01:11:43,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:11:43,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:11:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:11:43,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 36 conjunts are in the unsatisfiable core [2022-12-15 01:11:43,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-15 01:15:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 35 proven. 153 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2022-12-15 01:15:52,361 WARN L233 SmtUtils]: Spent 7.52s on a formula simplification that was a NOOP. DAG size: 17 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 01:16:29,581 WARN L233 SmtUtils]: Spent 7.86s on a formula simplification. DAG size of input: 27 DAG size of output: 24 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 01:16:40,723 WARN L233 SmtUtils]: Spent 7.35s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 01:16:48,580 WARN L233 SmtUtils]: Spent 7.73s on a formula simplification. DAG size of input: 30 DAG size of output: 27 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-15 01:16:59,375 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)