./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/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_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8791b6973aa1a0d5421161a634fa2e6c3276aa5fd05ed6d81de7a2762aa206a --- 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 16:29:30,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:29:30,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:29:30,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:29:30,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:29:30,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:29:30,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:29:30,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:29:30,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:29:30,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:29:30,667 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:29:30,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:29:30,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:29:30,669 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:29:30,670 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:29:30,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:29:30,671 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:29:30,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:29:30,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:29:30,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:29:30,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:29:30,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:29:30,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:29:30,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:29:30,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:29:30,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:29:30,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:29:30,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:29:30,685 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:29:30,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:29:30,687 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:29:30,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:29:30,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:29:30,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:29:30,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:29:30,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:29:30,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:29:30,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:29:30,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:29:30,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:29:30,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:29:30,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 16:29:30,708 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:29:30,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:29:30,709 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:29:30,709 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:29:30,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:29:30,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:29:30,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:29:30,710 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:29:30,710 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:29:30,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:29:30,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:29:30,711 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:29:30,711 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:29:30,711 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:29:30,711 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:29:30,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:29:30,711 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:29:30,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:29:30,712 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:29:30,712 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:29:30,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:29:30,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:29:30,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:29:30,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:29:30,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:29:30,712 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:29:30,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:29:30,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:29:30,713 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_2f917763-845e-447b-bd39-a2e683440189/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8791b6973aa1a0d5421161a634fa2e6c3276aa5fd05ed6d81de7a2762aa206a [2022-12-14 16:29:30,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:29:30,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:29:30,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:29:30,910 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:29:30,911 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:29:30,912 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2022-12-14 16:29:33,483 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:29:33,624 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:29:33,624 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c [2022-12-14 16:29:33,629 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/data/c6fba250d/1e03a2167dc0435398c0f931347b0c1a/FLAG3846d7282 [2022-12-14 16:29:33,640 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/data/c6fba250d/1e03a2167dc0435398c0f931347b0c1a [2022-12-14 16:29:33,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:29:33,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:29:33,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:29:33,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:29:33,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:29:33,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f3fc6da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33, skipping insertion in model container [2022-12-14 16:29:33,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:29:33,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:29:33,785 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c[468,481] [2022-12-14 16:29:33,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:29:33,804 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:29:33,813 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/sv-benchmarks/c/loops-crafted-1/nested_delay_notd2.c[468,481] [2022-12-14 16:29:33,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:29:33,826 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:29:33,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33 WrapperNode [2022-12-14 16:29:33,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:29:33,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:29:33,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:29:33,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:29:33,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,851 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2022-12-14 16:29:33,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:29:33,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:29:33,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:29:33,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:29:33,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,866 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:29:33,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:29:33,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:29:33,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:29:33,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:29:33" (1/1) ... [2022-12-14 16:29:33,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:29:33,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:29:33,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:29:33,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f917763-845e-447b-bd39-a2e683440189/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:29:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:29:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:29:33,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:29:33,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:29:33,989 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:29:33,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:29:34,080 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:29:34,149 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:29:34,150 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 16:29:34,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:29:34 BoogieIcfgContainer [2022-12-14 16:29:34,152 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:29:34,152 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:29:34,152 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:29:34,160 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:29:34,160 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:29:34" (1/1) ... [2022-12-14 16:29:34,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:29:34,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2022-12-14 16:29:34,208 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2022-12-14 16:29:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:29:34,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:34,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:34,379 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 16:29:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2022-12-14 16:29:34,425 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2022-12-14 16:29:34,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 16:29:34,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:34,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:34,507 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 16:29:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 10 states and 15 transitions. [2022-12-14 16:29:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. [2022-12-14 16:29:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 16:29:34,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:34,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:34,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2022-12-14 16:29:34,686 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2022-12-14 16:29:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:29:34,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:34,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:34,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:34,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2022-12-14 16:29:34,800 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2022-12-14 16:29:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:29:34,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:34,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:34,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2022-12-14 16:29:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2022-12-14 16:29:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-14 16:29:34,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:34,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:35,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:35,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 14 states and 23 transitions. [2022-12-14 16:29:35,026 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 23 transitions. [2022-12-14 16:29:35,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 16:29:35,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:35,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:35,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2022-12-14 16:29:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2022-12-14 16:29:35,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 16:29:35,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:35,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:35,229 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:35,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2022-12-14 16:29:35,286 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2022-12-14 16:29:35,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:29:35,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:35,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:35,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:35,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2022-12-14 16:29:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2022-12-14 16:29:35,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 16:29:35,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:35,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:35,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 31 transitions. [2022-12-14 16:29:35,547 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 31 transitions. [2022-12-14 16:29:35,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:29:35,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:35,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:35,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:35,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2022-12-14 16:29:35,709 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2022-12-14 16:29:35,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 16:29:35,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:35,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:35,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:35,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 20 states and 35 transitions. [2022-12-14 16:29:35,851 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 35 transitions. [2022-12-14 16:29:35,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:29:35,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:35,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:35,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2022-12-14 16:29:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2022-12-14 16:29:36,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 16:29:36,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:36,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:36,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:36,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2022-12-14 16:29:36,200 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2022-12-14 16:29:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 16:29:36,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:36,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:36,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:36,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 41 transitions. [2022-12-14 16:29:36,365 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 41 transitions. [2022-12-14 16:29:36,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-14 16:29:36,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:36,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:36,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 24 states and 43 transitions. [2022-12-14 16:29:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 43 transitions. [2022-12-14 16:29:36,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 16:29:36,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:36,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2022-12-14 16:29:36,747 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2022-12-14 16:29:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 16:29:36,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2022-12-14 16:29:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2022-12-14 16:29:36,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 16:29:36,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:36,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:37,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:37,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2022-12-14 16:29:37,164 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2022-12-14 16:29:37,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 16:29:37,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:37,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:37,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:37,311 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2022-12-14 16:29:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2022-12-14 16:29:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 16:29:37,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:37,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:39,231 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:42,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:42,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 51 states and 116 transitions. [2022-12-14 16:29:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 116 transitions. [2022-12-14 16:29:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 16:29:42,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:42,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:42,778 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-12-14 16:29:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 73 states and 158 transitions. [2022-12-14 16:29:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 158 transitions. [2022-12-14 16:29:46,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-12-14 16:29:46,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:46,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:58,495 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 0 proven. 863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:30:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:30:32,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 117 states and 275 transitions. [2022-12-14 16:30:32,603 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 275 transitions. [2022-12-14 16:30:32,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 16:30:32,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:30:32,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:30:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:30:33,673 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 254 proven. 440 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2022-12-14 16:30:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:30:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 122 states and 287 transitions. [2022-12-14 16:30:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 287 transitions. [2022-12-14 16:30:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 16:30:38,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:30:38,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:30:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:30:39,014 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 866 trivial. 0 not checked. [2022-12-14 16:30:53,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:30:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 142 states and 327 transitions. [2022-12-14 16:30:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 327 transitions. [2022-12-14 16:30:53,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 16:30:53,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:30:53,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:30:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:31:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 0 proven. 1960 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:32:35,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 186 states and 424 transitions. [2022-12-14 16:32:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 424 transitions. [2022-12-14 16:32:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:35,506 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:35,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:37,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:37,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 187 states and 428 transitions. [2022-12-14 16:32:37,537 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 428 transitions. [2022-12-14 16:32:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:37,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:37,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:37,588 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:42,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 190 states and 431 transitions. [2022-12-14 16:32:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 431 transitions. [2022-12-14 16:32:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:42,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:42,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:43,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:43,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 191 states and 432 transitions. [2022-12-14 16:32:43,633 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 432 transitions. [2022-12-14 16:32:43,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:43,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:43,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:43,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 194 states and 435 transitions. [2022-12-14 16:32:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 435 transitions. [2022-12-14 16:32:47,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:47,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:47,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:49,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 195 states and 436 transitions. [2022-12-14 16:32:49,336 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 436 transitions. [2022-12-14 16:32:49,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:49,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:49,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:49,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 196 states and 437 transitions. [2022-12-14 16:32:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 437 transitions. [2022-12-14 16:32:50,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:50,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:50,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 197 states and 438 transitions. [2022-12-14 16:32:52,395 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 438 transitions. [2022-12-14 16:32:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:52,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:52,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:53,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:53,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 198 states and 439 transitions. [2022-12-14 16:32:53,880 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 439 transitions. [2022-12-14 16:32:53,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:53,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:56,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 200 states and 441 transitions. [2022-12-14 16:32:56,817 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 441 transitions. [2022-12-14 16:32:56,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:56,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:56,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:56,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:58,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 201 states and 442 transitions. [2022-12-14 16:32:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 442 transitions. [2022-12-14 16:32:58,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:58,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:58,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:32:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 202 states and 443 transitions. [2022-12-14 16:32:59,908 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 443 transitions. [2022-12-14 16:32:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:32:59,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:59,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:33:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 204 states and 445 transitions. [2022-12-14 16:33:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 445 transitions. [2022-12-14 16:33:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:33:02,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:02,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:02,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:33:04,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:04,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 205 states and 446 transitions. [2022-12-14 16:33:04,424 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 446 transitions. [2022-12-14 16:33:04,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 16:33:04,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:04,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1965 trivial. 0 not checked. [2022-12-14 16:33:05,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:05,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 206 states and 446 transitions. [2022-12-14 16:33:05,782 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 446 transitions. [2022-12-14 16:33:05,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 16:33:05,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:05,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:27,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3501 backedges. 0 proven. 3501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:37:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:37:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 275 states and 581 transitions. [2022-12-14 16:37:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 581 transitions. [2022-12-14 16:37:41,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 16:37:41,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:37:41,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:37:41,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:39:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3501 backedges. 0 proven. 3501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:41:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:41:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 297 states and 640 transitions. [2022-12-14 16:41:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 640 transitions. [2022-12-14 16:41:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 16:41:12,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:41:12,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:41:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:42:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3501 backedges. 0 proven. 3501 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.