./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ --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 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:22:11,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:22:11,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:22:12,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:22:12,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:22:12,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:22:12,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:22:12,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:22:12,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:22:12,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:22:12,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:22:12,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:22:12,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:22:12,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:22:12,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:22:12,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:22:12,094 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:22:12,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:22:12,103 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:22:12,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:22:12,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:22:12,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:22:12,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:22:12,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:22:12,138 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:22:12,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:22:12,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:22:12,142 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:22:12,143 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:22:12,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:22:12,146 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:22:12,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:22:12,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:22:12,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:22:12,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:22:12,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:22:12,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:22:12,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:22:12,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:22:12,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:22:12,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:22:12,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:22:12,216 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:22:12,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:22:12,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:22:12,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:22:12,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:22:12,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:22:12,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:22:12,220 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:22:12,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:22:12,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:22:12,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:22:12,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:22:12,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:22:12,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:22:12,222 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:22:12,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:22:12,222 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:22:12,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:22:12,223 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:22:12,223 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:22:12,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:22:12,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:12,224 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:22:12,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:22:12,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:22:12,225 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:22:12,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:22:12,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:22:12,226 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_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7cdbf1a1c8f20bea42ab4ad35fbada62352deeb8460cfeb3778e870071fb234e [2021-11-23 01:22:12,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:22:12,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:22:12,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:22:12,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:22:12,588 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:22:12,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2021-11-23 01:22:12,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/data/429ffbefe/007e6c415153412dbcd4dd5f4ee955dd/FLAG0b52c27f4 [2021-11-23 01:22:13,303 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:22:13,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2021-11-23 01:22:13,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/data/429ffbefe/007e6c415153412dbcd4dd5f4ee955dd/FLAG0b52c27f4 [2021-11-23 01:22:13,618 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/data/429ffbefe/007e6c415153412dbcd4dd5f4ee955dd [2021-11-23 01:22:13,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:22:13,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:22:13,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:13,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:22:13,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:22:13,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:13,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d1b1353 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13, skipping insertion in model container [2021-11-23 01:22:13,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:13,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:22:13,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:22:13,921 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c[576,589] [2021-11-23 01:22:13,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:13,954 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:22:13,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c[576,589] [2021-11-23 01:22:13,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:22:13,998 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:22:13,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13 WrapperNode [2021-11-23 01:22:13,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:22:14,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:14,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:22:14,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:22:14,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,044 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2021-11-23 01:22:14,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:22:14,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:22:14,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:22:14,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:22:14,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:22:14,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:22:14,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:22:14,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:22:14,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:22:13" (1/1) ... [2021-11-23 01:22:14,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:22:14,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:22:14,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:22:14,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f7d2598-0159-4508-bb25-d5c5c23c2cd1/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:22:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:22:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:22:14,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:22:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:22:14,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:22:14,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:22:14,257 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:22:14,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:22:14,460 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:22:14,501 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:22:14,502 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:22:14,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:14 BoogieIcfgContainer [2021-11-23 01:22:14,505 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:22:14,507 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:22:14,507 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:22:14,528 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:22:14,535 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:22:14" (1/1) ... [2021-11-23 01:22:14,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:22:14,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:14,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2021-11-23 01:22:14,631 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2021-11-23 01:22:14,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:22:14,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:14,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:14,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:14,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2021-11-23 01:22:14,822 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2021-11-23 01:22:14,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:22:14,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:14,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:14,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:14,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:14,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2021-11-23 01:22:14,936 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2021-11-23 01:22:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:22:14,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:14,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:14,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:14,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:22:14,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2021-11-23 01:22:15,502 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2021-11-23 01:22:15,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:22:15,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:15,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:15,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:22:15,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:15,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2021-11-23 01:22:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2021-11-23 01:22:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:22:16,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:16,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:16,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:22:16,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:16,568 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:22:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:16,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2021-11-23 01:22:16,869 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2021-11-23 01:22:16,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:22:16,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:16,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:16,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:22:16,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:17,015 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:22:17,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:17,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2021-11-23 01:22:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2021-11-23 01:22:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:22:17,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:17,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:17,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:22:17,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:22:18,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:18,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2021-11-23 01:22:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2021-11-23 01:22:18,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:22:18,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:18,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:18,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:22:18,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:18,878 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:22:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 53 states and 116 transitions. [2021-11-23 01:22:19,618 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 116 transitions. [2021-11-23 01:22:19,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:22:19,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:19,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:19,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:22:19,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-23 01:22:22,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2021-11-23 01:22:22,146 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2021-11-23 01:22:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:22:22,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:22,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:22,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:22:22,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:22,496 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:22:23,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:23,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 69 states and 175 transitions. [2021-11-23 01:22:23,827 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 175 transitions. [2021-11-23 01:22:23,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:22:23,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:23,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:23,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:22:23,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:24,158 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:22:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:25,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 76 states and 198 transitions. [2021-11-23 01:22:25,963 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 198 transitions. [2021-11-23 01:22:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:22:25,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:25,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:25,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:22:26,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:22:27,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 80 states and 208 transitions. [2021-11-23 01:22:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 208 transitions. [2021-11-23 01:22:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:22:27,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:27,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:27,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:22:27,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:22:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 82 states and 209 transitions. [2021-11-23 01:22:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 209 transitions. [2021-11-23 01:22:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:22:27,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:27,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:27,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:22:27,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:22:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:38,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 94 states and 252 transitions. [2021-11-23 01:22:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 252 transitions. [2021-11-23 01:22:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:22:38,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:38,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:38,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:22:38,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:22:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 96 states and 255 transitions. [2021-11-23 01:22:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 255 transitions. [2021-11-23 01:22:40,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:22:40,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:40,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:40,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:22:40,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:22:41,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:41,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 97 states and 259 transitions. [2021-11-23 01:22:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 259 transitions. [2021-11-23 01:22:41,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:22:41,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:41,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:41,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:22:41,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:22:44,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 108 states and 297 transitions. [2021-11-23 01:22:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 297 transitions. [2021-11-23 01:22:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:22:44,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:44,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:44,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:22:44,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:22:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 116 states and 346 transitions. [2021-11-23 01:22:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 346 transitions. [2021-11-23 01:22:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:22:47,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:47,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:47,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:22:47,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:47,978 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-11-23 01:22:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:51,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 121 states and 360 transitions. [2021-11-23 01:22:51,201 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 360 transitions. [2021-11-23 01:22:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:22:51,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:51,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:51,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:22:51,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-23 01:22:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 127 states and 390 transitions. [2021-11-23 01:22:58,100 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 390 transitions. [2021-11-23 01:22:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:22:58,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:58,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:58,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:22:58,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:22:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-23 01:23:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 128 states and 394 transitions. [2021-11-23 01:23:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 394 transitions. [2021-11-23 01:23:00,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:23:00,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:00,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:00,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:23:00,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-23 01:23:02,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:02,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 130 states and 406 transitions. [2021-11-23 01:23:02,511 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 406 transitions. [2021-11-23 01:23:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:23:02,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:02,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:02,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:23:02,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:03,163 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 112 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:23:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 141 states and 492 transitions. [2021-11-23 01:23:10,987 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 492 transitions. [2021-11-23 01:23:10,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:23:10,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:10,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:11,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:23:11,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:11,125 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-23 01:23:12,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 144 states and 495 transitions. [2021-11-23 01:23:12,262 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 495 transitions. [2021-11-23 01:23:12,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:23:12,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:12,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:12,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:23:12,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:12,476 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 112 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:23:14,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:14,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 146 states and 496 transitions. [2021-11-23 01:23:14,491 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 496 transitions. [2021-11-23 01:23:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:14,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:14,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:14,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:23:14,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:16,736 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:23:36,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:36,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 159 states and 563 transitions. [2021-11-23 01:23:36,730 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 563 transitions. [2021-11-23 01:23:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:36,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:36,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:36,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:23:36,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:23:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:48,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 165 states and 582 transitions. [2021-11-23 01:23:48,287 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 582 transitions. [2021-11-23 01:23:48,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:48,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:48,289 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:48,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:23:48,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:23:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 168 states and 591 transitions. [2021-11-23 01:23:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 591 transitions. [2021-11-23 01:23:55,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:55,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:23:55,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:56,660 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:24:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:05,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 176 states and 638 transitions. [2021-11-23 01:24:05,994 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 638 transitions. [2021-11-23 01:24:05,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:24:05,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:05,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:24:06,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:06,340 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:24:08,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:08,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 179 states and 646 transitions. [2021-11-23 01:24:08,033 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 646 transitions. [2021-11-23 01:24:08,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:24:08,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:08,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:08,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:24:08,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:08,978 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:24:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 181 states and 649 transitions. [2021-11-23 01:24:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 649 transitions. [2021-11-23 01:24:11,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:24:11,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:11,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:11,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:24:11,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:11,832 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 22 proven. 140 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-11-23 01:24:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 185 states and 653 transitions. [2021-11-23 01:24:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 653 transitions. [2021-11-23 01:24:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:24:17,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:17,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:17,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:24:17,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:17,438 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 24 proven. 28 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2021-11-23 01:24:28,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 190 states and 671 transitions. [2021-11-23 01:24:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 671 transitions. [2021-11-23 01:24:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:24:28,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:24:28,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-11-23 01:24:31,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:31,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 191 states and 673 transitions. [2021-11-23 01:24:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 673 transitions. [2021-11-23 01:24:31,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:24:31,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:31,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:31,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:24:31,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:31,910 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 45 proven. 22 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-11-23 01:24:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 195 states and 683 transitions. [2021-11-23 01:24:44,351 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 683 transitions. [2021-11-23 01:24:44,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:24:44,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:44,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:44,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:24:44,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:45,657 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 27 proven. 191 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 01:25:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 200 states and 704 transitions. [2021-11-23 01:25:01,119 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 704 transitions. [2021-11-23 01:25:01,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:25:01,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:01,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:01,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:25:01,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 27 proven. 191 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 01:25:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:10,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 205 states and 780 transitions. [2021-11-23 01:25:10,572 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 780 transitions. [2021-11-23 01:25:10,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:25:10,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:10,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:10,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:25:10,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:10,810 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 27 proven. 191 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 01:25:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:13,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 205 states and 778 transitions. [2021-11-23 01:25:13,282 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 778 transitions. [2021-11-23 01:25:13,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:25:13,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:13,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:13,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:25:13,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 62 proven. 4 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-11-23 01:25:19,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 207 states and 779 transitions. [2021-11-23 01:25:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 779 transitions. [2021-11-23 01:25:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:25:19,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:19,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:19,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:19,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:25:19,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-23 01:25:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 210 states and 788 transitions. [2021-11-23 01:25:39,208 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 788 transitions. [2021-11-23 01:25:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:25:39,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:39,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:39,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:25:39,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 26 proven. 270 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 01:26:01,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 217 states and 814 transitions. [2021-11-23 01:26:01,116 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 814 transitions. [2021-11-23 01:26:01,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:26:01,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:01,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:01,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:01,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 64 proven. 7 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-23 01:26:05,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 220 states and 817 transitions. [2021-11-23 01:26:05,939 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 817 transitions. [2021-11-23 01:26:05,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:26:05,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:05,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:05,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:26:05,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:06,151 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 26 proven. 270 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-23 01:26:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:13,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 222 states and 818 transitions. [2021-11-23 01:26:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 818 transitions. [2021-11-23 01:26:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:26:13,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:13,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:13,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:26:13,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 28 proven. 33 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:26:32,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:32,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 229 states and 880 transitions. [2021-11-23 01:26:32,728 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 880 transitions. [2021-11-23 01:26:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:26:32,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:32,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:32,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:26:32,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:39,892 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:27:49,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:49,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 242 states and 960 transitions. [2021-11-23 01:27:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 960 transitions. [2021-11-23 01:27:49,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:27:49,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:49,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:49,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:27:49,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:27:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:28:04,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 244 states and 963 transitions. [2021-11-23 01:28:04,315 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 963 transitions. [2021-11-23 01:28:04,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:28:04,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:04,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:04,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:28:04,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:28:34,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:34,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 250 states and 978 transitions. [2021-11-23 01:28:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 978 transitions. [2021-11-23 01:28:34,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:28:34,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:34,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:34,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:28:34,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:28:44,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 251 states and 986 transitions. [2021-11-23 01:28:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 986 transitions. [2021-11-23 01:28:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:28:44,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:44,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:44,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:28:44,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 28 proven. 33 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:28:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 254 states and 994 transitions. [2021-11-23 01:28:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 994 transitions. [2021-11-23 01:28:49,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:28:49,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:49,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:49,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:28:49,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:28:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:29:22,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:22,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 260 states and 1008 transitions. [2021-11-23 01:29:22,066 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 1008 transitions. [2021-11-23 01:29:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:29:22,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:22,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:22,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:22,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:29:22,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 28 proven. 33 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:29:28,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 263 states and 1012 transitions. [2021-11-23 01:29:28,855 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 1012 transitions. [2021-11-23 01:29:28,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:29:28,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:28,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:28,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:28,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:29:28,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 28 proven. 33 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:29:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 266 states and 1016 transitions. [2021-11-23 01:29:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 1016 transitions. [2021-11-23 01:29:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:29:35,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:35,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:35,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:29:35,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:29:38,972 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 336 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-23 01:30:23,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:23,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 277 states and 1142 transitions. [2021-11-23 01:30:23,948 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 1142 transitions. [2021-11-23 01:30:23,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:30:23,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:23,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:23,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:23,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 73 proven. 7 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2021-11-23 01:30:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 280 states and 1145 transitions. [2021-11-23 01:30:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 1145 transitions. [2021-11-23 01:30:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-11-23 01:30:32,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:32,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:32,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:32,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 30 proven. 318 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-11-23 01:30:49,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 284 states and 1149 transitions. [2021-11-23 01:30:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 1149 transitions. [2021-11-23 01:30:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:30:49,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:49,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:49,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:30:49,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:30:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2021-11-23 01:31:23,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:23,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 289 states and 1172 transitions. [2021-11-23 01:31:23,593 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 1172 transitions. [2021-11-23 01:31:23,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:31:23,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:23,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:23,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:31:23,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:31:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 30 proven. 32 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:33:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:28,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 301 states and 1234 transitions. [2021-11-23 01:33:28,726 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 1234 transitions. [2021-11-23 01:33:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:33:28,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:28,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:28,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:33:28,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:33:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 30 proven. 32 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:34:54,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 309 states and 1262 transitions. [2021-11-23 01:34:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1262 transitions. [2021-11-23 01:34:54,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:34:54,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:54,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:54,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:34:54,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:34:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 30 proven. 32 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:35:26,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:26,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 311 states and 1264 transitions. [2021-11-23 01:35:26,116 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 1264 transitions. [2021-11-23 01:35:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-23 01:35:26,119 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:26,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:26,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:35:26,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:35:29,851 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 30 proven. 32 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.