./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:01:13,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:13,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:13,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:13,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:13,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:13,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:13,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:13,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:13,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:13,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:13,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:13,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:13,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:13,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:13,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:13,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:13,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:13,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:13,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:13,932 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:13,934 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:13,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:13,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:13,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:13,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:13,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:13,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:13,952 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:13,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:13,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:13,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:13,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:13,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:13,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:13,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:13,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:13,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:13,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:13,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:13,967 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:13,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:14,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:14,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:14,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:14,029 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:14,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:14,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:14,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:14,030 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:14,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:14,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:14,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:14,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:14,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:14,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:14,033 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:14,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:14,033 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:14,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:14,034 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:14,034 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:14,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:14,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:14,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:14,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:14,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:14,044 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:14,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:14,044 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:14,045 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_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 [2022-10-17 17:01:14,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:14,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:14,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:14,323 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:14,324 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:14,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2022-10-17 17:01:14,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/data/2903b979b/180082dc3235495da71c254c301a79f6/FLAG31082fa4a [2022-10-17 17:01:14,837 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:14,838 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2022-10-17 17:01:14,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/data/2903b979b/180082dc3235495da71c254c301a79f6/FLAG31082fa4a [2022-10-17 17:01:15,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/data/2903b979b/180082dc3235495da71c254c301a79f6 [2022-10-17 17:01:15,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:15,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:15,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:15,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:15,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:15,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501005b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15, skipping insertion in model container [2022-10-17 17:01:15,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:15,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:15,449 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_166478d1-fb33-4073-8fa7-8bdd66c6dd17/sv-benchmarks/c/array-multidimensional/init-4-n-u.c[322,335] [2022-10-17 17:01:15,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:15,496 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:15,508 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_166478d1-fb33-4073-8fa7-8bdd66c6dd17/sv-benchmarks/c/array-multidimensional/init-4-n-u.c[322,335] [2022-10-17 17:01:15,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:15,552 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:15,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15 WrapperNode [2022-10-17 17:01:15,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:15,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:15,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:15,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:15,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,583 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,608 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2022-10-17 17:01:15,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:15,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:15,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:15,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:15,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,659 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:15,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:15,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:15,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:15,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:15" (1/1) ... [2022-10-17 17:01:15,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:15,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:15,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:15,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_166478d1-fb33-4073-8fa7-8bdd66c6dd17/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:15,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:01:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:01:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:15,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:01:15,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:01:15,824 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:15,826 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:16,092 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:16,148 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:16,148 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-10-17 17:01:16,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:16 BoogieIcfgContainer [2022-10-17 17:01:16,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:16,152 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:16,152 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:16,163 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:16,164 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:16" (1/1) ... [2022-10-17 17:01:16,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:16,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2022-10-17 17:01:16,263 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2022-10-17 17:01:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:01:16,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:16,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:16,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:16,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:16,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:16,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2022-10-17 17:01:16,591 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2022-10-17 17:01:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:16,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:16,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:16,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:16,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2022-10-17 17:01:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2022-10-17 17:01:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:01:16,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:16,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:16,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:16,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:17,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:17,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 36 transitions. [2022-10-17 17:01:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 36 transitions. [2022-10-17 17:01:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:01:17,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:17,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:17,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:01:17,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:17,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2022-10-17 17:01:17,689 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2022-10-17 17:01:17,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:17,689 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:17,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:17,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:01:17,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:17,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2022-10-17 17:01:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2022-10-17 17:01:17,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:01:17,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:17,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:17,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:01:17,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:18,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2022-10-17 17:01:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2022-10-17 17:01:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:01:18,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:18,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:18,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:01:18,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:18,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:18,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 27 states and 50 transitions. [2022-10-17 17:01:18,419 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 50 transitions. [2022-10-17 17:01:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:01:18,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:18,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:18,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:01:18,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:18,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:18,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2022-10-17 17:01:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2022-10-17 17:01:18,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:01:18,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:18,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:18,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:01:18,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:18,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2022-10-17 17:01:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2022-10-17 17:01:18,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:01:19,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:19,144 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2022-10-17 17:01:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2022-10-17 17:01:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:01:19,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 3 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:19,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2022-10-17 17:01:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2022-10-17 17:01:19,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:01:19,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 32 states and 55 transitions. [2022-10-17 17:01:19,892 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 55 transitions. [2022-10-17 17:01:19,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:01:19,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:20,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:20,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2022-10-17 17:01:20,190 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2022-10-17 17:01:20,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:01:20,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:20,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:20,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:01:20,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 3 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:20,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 57 transitions. [2022-10-17 17:01:20,506 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2022-10-17 17:01:20,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:01:20,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:20,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:20,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:01:20,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:20,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 58 transitions. [2022-10-17 17:01:20,835 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions. [2022-10-17 17:01:20,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:01:20,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:20,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:20,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:01:20,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 3 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:21,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2022-10-17 17:01:21,189 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2022-10-17 17:01:21,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:01:21,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:21,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:21,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:21,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:01:21,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 3 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2022-10-17 17:01:21,526 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2022-10-17 17:01:21,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:01:21,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:21,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:21,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:01:21,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 3 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2022-10-17 17:01:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2022-10-17 17:01:21,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:01:21,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:21,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:21,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:01:21,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:22,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:22,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2022-10-17 17:01:22,224 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2022-10-17 17:01:22,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:01:22,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:22,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:22,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:01:22,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:22,416 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 3 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:22,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:22,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2022-10-17 17:01:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2022-10-17 17:01:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:01:22,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:22,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:22,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:01:22,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:22,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2022-10-17 17:01:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2022-10-17 17:01:22,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:01:22,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:22,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 3 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:23,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2022-10-17 17:01:23,385 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2022-10-17 17:01:23,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:01:23,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,607 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:23,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 43 states and 66 transitions. [2022-10-17 17:01:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2022-10-17 17:01:23,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:01:23,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,017 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 3 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:24,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:24,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2022-10-17 17:01:24,234 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2022-10-17 17:01:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:01:24,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:24,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:24,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:01:24,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 3 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2022-10-17 17:01:24,635 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2022-10-17 17:01:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:01:24,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:24,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:24,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:01:24,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:24,861 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:25,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:25,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 69 transitions. [2022-10-17 17:01:25,063 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2022-10-17 17:01:25,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:01:25,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:25,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:25,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 17:01:25,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 3 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:25,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2022-10-17 17:01:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2022-10-17 17:01:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:01:25,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:25,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:25,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:01:25,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 3 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:26,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 71 transitions. [2022-10-17 17:01:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2022-10-17 17:01:26,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:01:26,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:26,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:26,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 17:01:26,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 3 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:26,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2022-10-17 17:01:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2022-10-17 17:01:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:01:26,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:26,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:26,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 17:01:26,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 3 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:27,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:27,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 50 states and 73 transitions. [2022-10-17 17:01:27,036 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions. [2022-10-17 17:01:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:01:27,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:27,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:27,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 17:01:27,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:27,342 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 3 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 74 transitions. [2022-10-17 17:01:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2022-10-17 17:01:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:01:27,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:27,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:27,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:01:27,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:27,883 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 3 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:28,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 75 transitions. [2022-10-17 17:01:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2022-10-17 17:01:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:01:28,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:28,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:28,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 17:01:28,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 3 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:28,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:28,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 53 states and 76 transitions. [2022-10-17 17:01:28,702 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2022-10-17 17:01:28,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:01:28,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:28,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:28,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 17:01:28,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:29,011 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 3 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:29,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 54 states and 77 transitions. [2022-10-17 17:01:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 77 transitions. [2022-10-17 17:01:29,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:01:29,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:29,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:29,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 17:01:29,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 3 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 55 states and 78 transitions. [2022-10-17 17:01:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2022-10-17 17:01:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:01:29,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:29,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:29,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 17:01:29,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 3 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:30,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 79 transitions. [2022-10-17 17:01:30,432 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2022-10-17 17:01:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:01:30,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:30,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:30,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 17:01:30,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 3 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:31,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 80 transitions. [2022-10-17 17:01:31,019 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2022-10-17 17:01:31,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:01:31,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:31,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:31,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 17:01:31,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 598 backedges. 3 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:31,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 58 states and 81 transitions. [2022-10-17 17:01:31,616 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 81 transitions. [2022-10-17 17:01:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:01:31,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:31,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:31,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 17:01:31,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:31,974 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 3 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:32,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:32,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 59 states and 82 transitions. [2022-10-17 17:01:32,167 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 82 transitions. [2022-10-17 17:01:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:01:32,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:32,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:32,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 17:01:32,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:32,472 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 3 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:32,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 60 states and 83 transitions. [2022-10-17 17:01:32,689 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2022-10-17 17:01:32,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:01:32,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:32,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:32,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 17:01:32,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 3 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 61 states and 84 transitions. [2022-10-17 17:01:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 84 transitions. [2022-10-17 17:01:33,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:01:33,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:33,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:33,358 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:01:33,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:33,591 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 3 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2022-10-17 17:01:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-10-17 17:01:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:01:33,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:33,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:33,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 17:01:33,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:34,140 INFO L134 CoverageAnalysis]: Checked inductivity of 783 backedges. 3 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:34,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:34,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 86 transitions. [2022-10-17 17:01:34,362 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2022-10-17 17:01:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:01:34,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:34,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:34,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:01:34,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 3 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:34,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 64 states and 87 transitions. [2022-10-17 17:01:34,896 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2022-10-17 17:01:34,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:01:34,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:34,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:35,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 17:01:35,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:35,272 INFO L134 CoverageAnalysis]: Checked inductivity of 864 backedges. 3 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:35,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:35,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2022-10-17 17:01:35,539 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2022-10-17 17:01:35,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:01:35,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:35,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:35,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 17:01:35,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:35,874 INFO L134 CoverageAnalysis]: Checked inductivity of 906 backedges. 3 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:36,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:36,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2022-10-17 17:01:36,116 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2022-10-17 17:01:36,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:01:36,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:36,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:36,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 17:01:36,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 3 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:36,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 67 states and 90 transitions. [2022-10-17 17:01:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2022-10-17 17:01:36,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:01:36,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:36,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:36,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 17:01:36,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 993 backedges. 3 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2022-10-17 17:01:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2022-10-17 17:01:37,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:01:37,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 17:01:37,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 3 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:38,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2022-10-17 17:01:38,017 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2022-10-17 17:01:38,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:01:38,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 17:01:38,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:38,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1084 backedges. 3 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:38,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2022-10-17 17:01:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2022-10-17 17:01:38,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:01:38,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:38,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:38,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 17:01:38,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:39,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1131 backedges. 3 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:39,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 71 states and 94 transitions. [2022-10-17 17:01:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 94 transitions. [2022-10-17 17:01:39,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:01:39,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:39,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:39,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 17:01:39,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 3 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:39,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 72 states and 95 transitions. [2022-10-17 17:01:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 95 transitions. [2022-10-17 17:01:39,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:01:39,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:39,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:40,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 17:01:40,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1228 backedges. 3 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:40,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2022-10-17 17:01:40,523 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2022-10-17 17:01:40,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:01:40,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:40,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:40,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 17:01:40,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:40,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 3 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:41,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:41,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 74 states and 97 transitions. [2022-10-17 17:01:41,194 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2022-10-17 17:01:41,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 17:01:41,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:41,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:41,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 17:01:41,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:41,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 3 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:41,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 75 states and 98 transitions. [2022-10-17 17:01:41,900 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2022-10-17 17:01:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 17:01:41,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:41,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:42,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 17:01:42,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1381 backedges. 3 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 76 states and 99 transitions. [2022-10-17 17:01:42,572 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2022-10-17 17:01:42,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:01:42,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:42,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:42,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 17:01:42,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1434 backedges. 3 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:43,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 77 states and 100 transitions. [2022-10-17 17:01:43,265 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2022-10-17 17:01:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:01:43,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:43,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:43,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 17:01:43,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 3 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:43,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 78 states and 101 transitions. [2022-10-17 17:01:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2022-10-17 17:01:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:01:43,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:43,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:43,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 58 conjunts are in the unsatisfiable core [2022-10-17 17:01:43,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:44,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1543 backedges. 3 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:44,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2022-10-17 17:01:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2022-10-17 17:01:44,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 17:01:44,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:44,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms