./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/test-0235-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/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_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/test-0235-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e8dd9d71aae7a8c83467a9093ad4bffb4ddd59cddc2d90362f34ff651f24f9a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 21:55:03,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:55:03,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:55:03,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:55:03,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:55:03,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:55:03,608 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:55:03,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:55:03,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:55:03,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:55:03,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:55:03,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:55:03,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:55:03,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:55:03,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:55:03,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:55:03,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:55:03,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:55:03,620 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:55:03,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:55:03,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:55:03,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:55:03,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:55:03,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:55:03,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:55:03,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:55:03,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:55:03,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:55:03,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:55:03,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:55:03,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:55:03,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:55:03,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:55:03,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:55:03,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:55:03,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:55:03,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:55:03,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:55:03,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:55:03,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:55:03,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:55:03,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-14 21:55:03,661 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:55:03,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:55:03,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:55:03,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:55:03,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:55:03,663 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:55:03,663 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:55:03,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:55:03,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:55:03,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:55:03,664 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 21:55:03,664 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 21:55:03,664 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 21:55:03,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:55:03,665 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:55:03,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:55:03,665 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:55:03,665 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:55:03,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:55:03,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:55:03,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:55:03,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:55:03,666 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:55:03,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:55:03,667 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_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e8dd9d71aae7a8c83467a9093ad4bffb4ddd59cddc2d90362f34ff651f24f9a [2022-12-14 21:55:03,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:55:03,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:55:03,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:55:03,872 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:55:03,872 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:55:03,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/memsafety/test-0235-1.i [2022-12-14 21:55:06,522 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:55:06,730 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:55:06,730 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/sv-benchmarks/c/memsafety/test-0235-1.i [2022-12-14 21:55:06,745 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/data/bfe37ea96/c820f4c1646b47338633157695a24d89/FLAG243f32f5f [2022-12-14 21:55:06,759 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/data/bfe37ea96/c820f4c1646b47338633157695a24d89 [2022-12-14 21:55:06,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:55:06,763 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:55:06,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:55:06,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:55:06,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:55:06,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:55:06" (1/1) ... [2022-12-14 21:55:06,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42bd67b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:06, skipping insertion in model container [2022-12-14 21:55:06,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:55:06" (1/1) ... [2022-12-14 21:55:06,774 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:55:06,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:55:07,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:55:07,075 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:55:07,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:55:07,130 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:55:07,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07 WrapperNode [2022-12-14 21:55:07,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:55:07,131 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:55:07,131 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:55:07,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:55:07,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,178 INFO L138 Inliner]: procedures = 188, calls = 69, calls flagged for inlining = 24, calls inlined = 50, statements flattened = 736 [2022-12-14 21:55:07,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:55:07,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:55:07,179 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:55:07,179 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:55:07,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,218 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:55:07,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:55:07,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:55:07,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:55:07,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:55:07" (1/1) ... [2022-12-14 21:55:07,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:55:07,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:55:07,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:55:07,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1256f031-5bdb-4a53-aa7a-9d5d14a8bc67/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:55:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 21:55:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:55:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 21:55:07,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 21:55:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:55:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 21:55:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:55:07,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:55:07,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:55:07,400 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:55:07,402 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:55:08,246 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:55:08,395 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:55:08,395 INFO L300 CfgBuilder]: Removed 30 assume(true) statements. [2022-12-14 21:55:08,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:55:08 BoogieIcfgContainer [2022-12-14 21:55:08,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:55:08,399 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:55:08,399 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:55:08,409 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:55:08,409 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:55:08" (1/1) ... [2022-12-14 21:55:08,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:55:08,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 565 states and 680 transitions. [2022-12-14 21:55:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 680 transitions. [2022-12-14 21:55:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:55:08,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:08,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:08,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:08,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 565 states and 679 transitions. [2022-12-14 21:55:08,561 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 679 transitions. [2022-12-14 21:55:08,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:55:08,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:08,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:55:08,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:08,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:08,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 564 states and 678 transitions. [2022-12-14 21:55:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 678 transitions. [2022-12-14 21:55:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 21:55:08,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:08,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:08,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 21:55:08,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:08,763 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:08,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:08,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 563 states and 677 transitions. [2022-12-14 21:55:08,875 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 677 transitions. [2022-12-14 21:55:08,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:55:08,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:08,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:08,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:08,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-14 21:55:08,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:08,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 563 states and 676 transitions. [2022-12-14 21:55:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 676 transitions. [2022-12-14 21:55:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:55:08,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:08,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:08,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:55:08,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:08,960 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:08,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 562 states and 675 transitions. [2022-12-14 21:55:08,975 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 675 transitions. [2022-12-14 21:55:08,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:55:08,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:08,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:09,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 21:55:09,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:09,063 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:09,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 21:55:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 563 states and 676 transitions. [2022-12-14 21:55:19,664 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 676 transitions. [2022-12-14 21:55:19,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:55:19,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:19,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:19,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 21:55:19,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:19,731 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 21:55:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:55:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:19,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 562 states and 675 transitions. [2022-12-14 21:55:19,953 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 675 transitions. [2022-12-14 21:55:19,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:55:19,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:19,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:20,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:55:20,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:20,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:55:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:20,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 561 states and 673 transitions. [2022-12-14 21:55:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 673 transitions. [2022-12-14 21:55:20,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:55:20,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:20,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:20,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 21:55:20,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:20,154 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:20,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-12-14 21:55:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:30,491 WARN L233 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 21:55:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 562 states and 674 transitions. [2022-12-14 21:55:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 674 transitions. [2022-12-14 21:55:30,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:55:30,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:30,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:30,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 21:55:30,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:30,678 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:30,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:31,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:33,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:33,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 563 states and 675 transitions. [2022-12-14 21:55:33,332 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 675 transitions. [2022-12-14 21:55:33,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 21:55:33,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:33,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:33,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 21:55:33,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:33,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 21:55:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:33,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 562 states and 674 transitions. [2022-12-14 21:55:33,474 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 674 transitions. [2022-12-14 21:55:33,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 21:55:33,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:33,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:33,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:55:33,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:33,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 21:55:33,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:33,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 561 states and 672 transitions. [2022-12-14 21:55:33,573 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 672 transitions. [2022-12-14 21:55:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 21:55:33,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:33,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:33,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-14 21:55:33,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:33,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:33,720 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:33,735 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:55:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:34,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 562 states and 673 transitions. [2022-12-14 21:55:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 673 transitions. [2022-12-14 21:55:34,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 21:55:34,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:34,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:34,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 21:55:34,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:34,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:34,303 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:55:34,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:34,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 563 states and 674 transitions. [2022-12-14 21:55:34,527 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 674 transitions. [2022-12-14 21:55:34,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:55:34,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:34,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:34,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 21:55:34,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:34,657 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:34,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:55:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:34,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 564 states and 675 transitions. [2022-12-14 21:55:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 675 transitions. [2022-12-14 21:55:34,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 21:55:34,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:34,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:34,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 20 conjunts are in the unsatisfiable core [2022-12-14 21:55:34,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:34,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-12-14 21:55:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 21:55:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:34,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 563 states and 674 transitions. [2022-12-14 21:55:34,930 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 674 transitions. [2022-12-14 21:55:34,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:55:34,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:34,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:35,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:55:35,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:35,040 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 21:55:35,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 562 states and 672 transitions. [2022-12-14 21:55:35,060 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 672 transitions. [2022-12-14 21:55:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-14 21:55:35,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:35,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:35,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 21:55:35,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:35,279 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:35,300 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:35,310 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:55:36,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:36,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 564 states and 676 transitions. [2022-12-14 21:55:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 676 transitions. [2022-12-14 21:55:36,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-14 21:55:36,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:36,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:36,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 21:55:36,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:36,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:36,273 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 21:55:36,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 565 states and 677 transitions. [2022-12-14 21:55:36,520 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 677 transitions. [2022-12-14 21:55:36,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:55:36,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:36,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:36,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 21:55:36,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:36,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:36,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 21:55:36,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:36,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 566 states and 678 transitions. [2022-12-14 21:55:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 678 transitions. [2022-12-14 21:55:36,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:55:36,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:36,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:37,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 21:55:37,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:37,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:37,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 21:55:37,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:37,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 567 states and 679 transitions. [2022-12-14 21:55:37,454 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 679 transitions. [2022-12-14 21:55:37,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 21:55:37,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:37,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:37,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 21:55:37,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:37,626 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:37,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:41,146 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 21:55:41,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:41,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 568 states and 680 transitions. [2022-12-14 21:55:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 680 transitions. [2022-12-14 21:55:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 21:55:41,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:41,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:41,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-14 21:55:41,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:41,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:41,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 21:55:42,022 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 21:55:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 569 states and 681 transitions. [2022-12-14 21:55:43,427 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 681 transitions. [2022-12-14 21:55:43,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 21:55:43,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:43,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:43,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-14 21:55:43,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:44,100 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:44,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-14 21:55:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:55:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 572 states and 688 transitions. [2022-12-14 21:55:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 688 transitions. [2022-12-14 21:55:45,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 21:55:45,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:45,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:45,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 21:55:45,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:45,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:45,968 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:45,990 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:55:46,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 574 states and 692 transitions. [2022-12-14 21:55:46,690 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 692 transitions. [2022-12-14 21:55:46,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 21:55:46,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:46,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:47,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 21:55:47,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:47,080 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:47,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 21:55:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:47,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 575 states and 694 transitions. [2022-12-14 21:55:47,617 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 694 transitions. [2022-12-14 21:55:47,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 21:55:47,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:47,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:47,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-14 21:55:47,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:48,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:48,072 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:48,093 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-12-14 21:55:48,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 576 states and 695 transitions. [2022-12-14 21:55:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 695 transitions. [2022-12-14 21:55:48,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 21:55:48,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:48,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:48,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 70 conjunts are in the unsatisfiable core [2022-12-14 21:55:48,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:49,241 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:49,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-14 21:55:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:50,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 579 states and 701 transitions. [2022-12-14 21:55:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 701 transitions. [2022-12-14 21:55:50,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-14 21:55:50,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:50,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:50,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-14 21:55:50,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:50,622 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:50,634 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:50,656 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 21:55:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 580 states and 702 transitions. [2022-12-14 21:55:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 702 transitions. [2022-12-14 21:55:50,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 21:55:50,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:50,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:51,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 21:55:51,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:51,081 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-14 21:55:51,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:51,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 579 states and 701 transitions. [2022-12-14 21:55:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 701 transitions. [2022-12-14 21:55:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 21:55:51,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:51,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:51,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 675 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 21:55:51,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:51,211 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-14 21:55:51,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 578 states and 700 transitions. [2022-12-14 21:55:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 700 transitions. [2022-12-14 21:55:51,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 21:55:51,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:51,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:51,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 21:55:51,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:51,741 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:51,785 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:51,795 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2022-12-14 21:55:51,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:51,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 579 states and 701 transitions. [2022-12-14 21:55:51,869 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 701 transitions. [2022-12-14 21:55:51,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-14 21:55:51,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:51,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:52,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-14 21:55:52,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:52,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:52,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-14 21:55:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 580 states and 702 transitions. [2022-12-14 21:55:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 702 transitions. [2022-12-14 21:55:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 21:55:53,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:53,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:53,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 21:55:53,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:53,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:53,856 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-14 21:55:54,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:54,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 581 states and 703 transitions. [2022-12-14 21:55:54,072 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 703 transitions. [2022-12-14 21:55:54,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 21:55:54,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:54,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:55,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 56 conjunts are in the unsatisfiable core [2022-12-14 21:55:55,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:55,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:55,236 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 21:55:55,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:55,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 582 states and 704 transitions. [2022-12-14 21:55:55,815 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 704 transitions. [2022-12-14 21:55:55,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 21:55:55,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:55,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:56,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 53 conjunts are in the unsatisfiable core [2022-12-14 21:55:56,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-12-14 21:55:58,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:58,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 584 states and 708 transitions. [2022-12-14 21:55:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 708 transitions. [2022-12-14 21:55:58,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-12-14 21:55:58,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:58,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:55:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:55:58,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 752 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 21:55:58,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:55:59,185 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:55:59,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:55:59,224 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-12-14 21:55:59,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:55:59,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 585 states and 709 transitions. [2022-12-14 21:55:59,699 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 709 transitions. [2022-12-14 21:55:59,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 21:55:59,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:55:59,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:00,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 75 conjunts are in the unsatisfiable core [2022-12-14 21:56:00,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:00,716 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:00,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:56:02,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:02,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 588 states and 715 transitions. [2022-12-14 21:56:02,012 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 715 transitions. [2022-12-14 21:56:02,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 21:56:02,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:02,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:02,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:02,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 21:56:02,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:02,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:02,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 21:56:02,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 589 states and 716 transitions. [2022-12-14 21:56:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 716 transitions. [2022-12-14 21:56:02,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 21:56:02,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:02,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:03,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 62 conjunts are in the unsatisfiable core [2022-12-14 21:56:03,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:03,712 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:03,727 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-14 21:56:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 590 states and 717 transitions. [2022-12-14 21:56:04,288 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 717 transitions. [2022-12-14 21:56:04,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 21:56:04,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:04,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:05,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 812 conjuncts, 62 conjunts are in the unsatisfiable core [2022-12-14 21:56:05,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:05,221 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:05,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 21:56:05,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 591 states and 718 transitions. [2022-12-14 21:56:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 718 transitions. [2022-12-14 21:56:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 21:56:05,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:05,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:07,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 21:56:07,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:07,448 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:07,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-12-14 21:56:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 592 states and 719 transitions. [2022-12-14 21:56:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 719 transitions. [2022-12-14 21:56:07,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 21:56:07,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:07,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:08,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 842 conjuncts, 49 conjunts are in the unsatisfiable core [2022-12-14 21:56:08,226 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:08,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:08,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:08,344 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2022-12-14 21:56:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 593 states and 720 transitions. [2022-12-14 21:56:08,751 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 720 transitions. [2022-12-14 21:56:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 21:56:08,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:08,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:09,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 857 conjuncts, 68 conjunts are in the unsatisfiable core [2022-12-14 21:56:09,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:09,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:09,652 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-14 21:56:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 594 states and 722 transitions. [2022-12-14 21:56:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 722 transitions. [2022-12-14 21:56:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 21:56:10,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:10,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:11,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-14 21:56:11,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:11,228 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:11,246 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-12-14 21:56:11,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 595 states and 723 transitions. [2022-12-14 21:56:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 723 transitions. [2022-12-14 21:56:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-14 21:56:11,847 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:11,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:12,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-14 21:56:12,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:13,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:13,399 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:13,438 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2022-12-14 21:56:13,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:13,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 596 states and 724 transitions. [2022-12-14 21:56:13,790 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 724 transitions. [2022-12-14 21:56:13,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 21:56:13,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:13,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:16,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:16,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 68 conjunts are in the unsatisfiable core [2022-12-14 21:56:16,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:16,963 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:16,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:17,034 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-12-14 21:56:18,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 598 states and 727 transitions. [2022-12-14 21:56:18,531 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 727 transitions. [2022-12-14 21:56:18,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 21:56:18,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:18,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:19,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-14 21:56:19,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:19,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:19,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-12-14 21:56:20,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 599 states and 728 transitions. [2022-12-14 21:56:20,287 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 728 transitions. [2022-12-14 21:56:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 21:56:20,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:20,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:26,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 932 conjuncts, 53 conjunts are in the unsatisfiable core [2022-12-14 21:56:26,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:26,840 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:26,862 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-12-14 21:56:27,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:27,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 600 states and 729 transitions. [2022-12-14 21:56:27,314 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 729 transitions. [2022-12-14 21:56:27,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 21:56:27,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:27,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:28,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 47 conjunts are in the unsatisfiable core [2022-12-14 21:56:28,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:29,142 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:29,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-14 21:56:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 601 states and 730 transitions. [2022-12-14 21:56:30,570 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 730 transitions. [2022-12-14 21:56:30,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 21:56:30,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:30,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:31,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 962 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-14 21:56:31,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:31,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:31,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:31,775 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2022-12-14 21:56:32,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:32,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 602 states and 731 transitions. [2022-12-14 21:56:32,340 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 731 transitions. [2022-12-14 21:56:32,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 21:56:32,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:33,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-14 21:56:33,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:33,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:33,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:33,537 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 21:56:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:34,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 603 states and 732 transitions. [2022-12-14 21:56:34,159 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 732 transitions. [2022-12-14 21:56:34,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-14 21:56:34,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:34,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:35,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 992 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-14 21:56:35,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:35,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:35,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-14 21:56:35,622 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-12-14 21:56:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 604 states and 733 transitions. [2022-12-14 21:56:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 733 transitions. [2022-12-14 21:56:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 21:56:36,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:36,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:41,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 1007 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-14 21:56:41,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:41,177 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:56:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-12-14 21:56:42,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 603 states and 732 transitions. [2022-12-14 21:56:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 732 transitions. [2022-12-14 21:56:42,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 21:56:42,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:42,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:42,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-14 21:56:42,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:43,197 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-12-14 21:56:43,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-12-14 21:56:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-12-14 21:56:55,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:56:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 602 states and 731 transitions. [2022-12-14 21:56:55,005 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 731 transitions. [2022-12-14 21:56:55,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 21:56:55,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:56:55,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:56:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:56:56,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 53 conjunts are in the unsatisfiable core [2022-12-14 21:56:56,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:56:56,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-14 21:58:45,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 21:58:45,491 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-12-14 21:58:45,502 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-12-14 21:58:45,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-12-14 21:58:47,963 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-12-14 21:59:28,189 WARN L233 SmtUtils]: Spent 10.10s 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) [2022-12-14 22:06:13,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 22:06:43,511 WARN L233 SmtUtils]: Spent 10.20s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 22:06:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:06:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 601 states and 730 transitions. [2022-12-14 22:06:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 730 transitions. [2022-12-14 22:06:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 22:06:51,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:06:51,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:06:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:06:51,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 22:06:51,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 22:06:52,165 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 22:06:52,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-14 22:06:53,583 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-12-14 22:06:53,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 18 [2022-12-14 22:06:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-12-14 22:09:21,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 22:09:31,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-12-14 22:09:58,124 WARN L233 SmtUtils]: Spent 10.29s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)