./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/hard2.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_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/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_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/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_2a7a4149-84c5-418a-9bdd-97850a88f6b9/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 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 --- 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 16:57:40,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:40,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:40,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:40,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:40,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:40,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:40,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:40,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:40,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:40,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:40,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:40,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:40,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:40,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:40,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:40,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:40,899 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:40,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:40,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:40,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:40,917 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:40,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:40,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:40,932 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:40,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:40,935 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:40,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:40,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:40,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:40,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:40,940 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:40,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:40,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:40,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:40,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:40,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:40,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:40,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:40,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:40,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:40,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:41,000 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:41,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:41,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:41,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:41,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:41,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:41,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:41,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:41,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:41,004 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:41,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:41,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:41,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:41,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:41,006 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:41,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:41,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:41,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:41,007 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:41,008 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:41,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:41,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:41,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:41,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:41,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:41,009 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:41,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:41,010 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:41,018 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_2a7a4149-84c5-418a-9bdd-97850a88f6b9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 966f2b433cfe84d90040e5149c3cdda56fb59546e621a76bee869282a92c61d4 [2022-10-17 16:57:41,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:41,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:41,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:41,358 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:41,358 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:41,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench/hard2.c [2022-10-17 16:57:41,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/data/322cc3525/0054f1a4993b49fc990bf7b48ce6c74a/FLAG4e90d821d [2022-10-17 16:57:41,932 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:41,933 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/sv-benchmarks/c/nla-digbench/hard2.c [2022-10-17 16:57:41,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/data/322cc3525/0054f1a4993b49fc990bf7b48ce6c74a/FLAG4e90d821d [2022-10-17 16:57:42,277 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/data/322cc3525/0054f1a4993b49fc990bf7b48ce6c74a [2022-10-17 16:57:42,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:42,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:42,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:42,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:42,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:42,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f649695 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42, skipping insertion in model container [2022-10-17 16:57:42,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:42,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:42,557 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_2a7a4149-84c5-418a-9bdd-97850a88f6b9/sv-benchmarks/c/nla-digbench/hard2.c[526,539] [2022-10-17 16:57:42,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:42,599 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:42,618 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_2a7a4149-84c5-418a-9bdd-97850a88f6b9/sv-benchmarks/c/nla-digbench/hard2.c[526,539] [2022-10-17 16:57:42,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:42,668 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:42,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42 WrapperNode [2022-10-17 16:57:42,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:42,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:42,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:42,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:42,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,719 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2022-10-17 16:57:42,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:42,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:42,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:42,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:42,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:42,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:42,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:42,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:42,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:42" (1/1) ... [2022-10-17 16:57:42,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:42,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:42,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:42,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a7a4149-84c5-418a-9bdd-97850a88f6b9/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:42,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:42,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:42,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:57:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:57:42,955 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:42,958 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:43,193 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:43,256 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:43,256 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:57:43,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:43 BoogieIcfgContainer [2022-10-17 16:57:43,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:43,261 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:43,261 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:43,273 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:43,274 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:43" (1/1) ... [2022-10-17 16:57:43,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:43,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 16:57:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 16:57:43,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:57:43,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:43,752 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 16:57:43,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:43,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2022-10-17 16:57:43,894 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-10-17 16:57:43,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:57:43,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:43,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,071 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 16:57:44,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2022-10-17 16:57:44,218 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2022-10-17 16:57:44,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:57:44,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:57:44,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:57:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2022-10-17 16:57:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2022-10-17 16:57:44,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:44,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:57:44,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:44,876 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:57:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 48 transitions. [2022-10-17 16:57:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-10-17 16:57:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:57:44,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:44,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:44,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:57:44,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:45,023 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:57:45,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 54 transitions. [2022-10-17 16:57:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2022-10-17 16:57:45,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:57:45,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:45,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:45,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:57:45,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:57:45,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 62 transitions. [2022-10-17 16:57:45,840 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2022-10-17 16:57:45,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:57:45,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:45,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:45,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:57:45,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:46,140 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-17 16:57:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:46,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 72 transitions. [2022-10-17 16:57:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2022-10-17 16:57:46,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:57:46,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:46,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:46,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:57:46,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:46,955 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:57:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 80 transitions. [2022-10-17 16:57:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2022-10-17 16:57:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:57:47,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:47,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:47,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:57:47,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:47,175 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:57:47,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:47,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 88 transitions. [2022-10-17 16:57:47,557 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2022-10-17 16:57:47,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:57:47,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:47,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:47,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:57:47,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:47,679 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:57:47,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 51 states and 89 transitions. [2022-10-17 16:57:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2022-10-17 16:57:47,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:57:47,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:47,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:48,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:57:48,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-10-17 16:57:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 51 states and 88 transitions. [2022-10-17 16:57:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2022-10-17 16:57:48,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:57:48,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:48,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:48,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:57:48,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:48,527 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:57:49,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:49,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 56 states and 98 transitions. [2022-10-17 16:57:49,473 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2022-10-17 16:57:49,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:57:49,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:49,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:57:49,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:49,930 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:57:50,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:50,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 113 transitions. [2022-10-17 16:57:50,682 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 113 transitions. [2022-10-17 16:57:50,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:57:50,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:50,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:50,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:57:50,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:50,884 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-17 16:57:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 64 states and 118 transitions. [2022-10-17 16:57:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 118 transitions. [2022-10-17 16:57:51,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:57:51,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:51,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:51,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:57:51,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:51,324 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-10-17 16:57:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 64 states and 117 transitions. [2022-10-17 16:57:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2022-10-17 16:57:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:57:51,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:51,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:51,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:51,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:57:51,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:52,221 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 20 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-10-17 16:57:53,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 73 states and 134 transitions. [2022-10-17 16:57:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 134 transitions. [2022-10-17 16:57:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:57:53,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:53,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:53,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:57:53,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:57:55,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 78 states and 144 transitions. [2022-10-17 16:57:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 144 transitions. [2022-10-17 16:57:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:57:55,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:55,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:57:55,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:57:55,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:55,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 78 states and 143 transitions. [2022-10-17 16:57:55,984 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 143 transitions. [2022-10-17 16:57:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:57:55,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:55,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:56,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:57:56,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:56,624 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-10-17 16:57:57,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:57,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 84 states and 158 transitions. [2022-10-17 16:57:57,884 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 158 transitions. [2022-10-17 16:57:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:57:57,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:57,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:57,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:57:57,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-10-17 16:57:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 86 states and 163 transitions. [2022-10-17 16:57:59,098 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2022-10-17 16:57:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 16:57:59,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:59,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:59,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:57:59,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:59,362 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-10-17 16:57:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 86 states and 162 transitions. [2022-10-17 16:57:59,782 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 162 transitions. [2022-10-17 16:57:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:57:59,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:59,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:59,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:59,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:57:59,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 41 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:58:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 88 states and 172 transitions. [2022-10-17 16:58:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 172 transitions. [2022-10-17 16:58:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 16:58:01,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:01,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:01,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 16:58:01,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 26 proven. 23 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-10-17 16:58:03,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 92 states and 185 transitions. [2022-10-17 16:58:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 185 transitions. [2022-10-17 16:58:03,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:58:03,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:03,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:58:03,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:04,199 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:58:07,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:07,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 97 states and 196 transitions. [2022-10-17 16:58:07,675 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 196 transitions. [2022-10-17 16:58:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:58:07,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:07,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:07,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:58:07,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:08,149 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:58:08,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:08,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 99 states and 201 transitions. [2022-10-17 16:58:08,808 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 201 transitions. [2022-10-17 16:58:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:58:08,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:08,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:08,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:58:08,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:09,228 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 28 proven. 25 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:58:09,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:09,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 101 states and 206 transitions. [2022-10-17 16:58:09,756 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 206 transitions. [2022-10-17 16:58:09,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:58:09,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:09,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:09,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:09,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:58:09,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:10,571 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 28 proven. 32 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-17 16:58:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 108 states and 225 transitions. [2022-10-17 16:58:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 225 transitions. [2022-10-17 16:58:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:58:13,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:13,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:13,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:58:13,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-17 16:58:14,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 110 states and 230 transitions. [2022-10-17 16:58:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 230 transitions. [2022-10-17 16:58:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-17 16:58:14,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:14,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:14,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:58:14,619 INFO L286 TraceCheckSpWp]: Computing forward predicates...