./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.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_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/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_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/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_630454fc-1c89-4409-8a3f-6a49ed22f509/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 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 --- 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 16:35:31,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:35:31,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:35:31,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:35:31,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:35:31,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:35:31,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:35:31,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:35:31,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:35:31,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:35:31,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:35:31,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:35:31,961 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:35:31,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:35:31,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:35:31,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:35:31,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:35:31,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:35:31,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:35:31,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:35:31,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:35:31,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:35:31,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:35:31,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:35:31,986 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:35:31,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:35:31,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:35:31,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:35:31,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:35:31,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:35:31,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:35:31,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:35:32,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:35:32,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:35:32,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:35:32,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:35:32,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:35:32,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:35:32,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:35:32,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:35:32,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:35:32,010 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:35:32,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:35:32,067 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:35:32,068 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:35:32,068 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:35:32,069 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:35:32,069 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:35:32,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:35:32,070 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:35:32,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:35:32,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:35:32,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:35:32,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:35:32,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:35:32,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:35:32,072 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:35:32,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:35:32,072 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:35:32,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:35:32,073 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:35:32,073 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:35:32,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:35:32,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:32,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:35:32,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:35:32,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:35:32,082 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:35:32,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:35:32,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:35:32,083 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_630454fc-1c89-4409-8a3f-6a49ed22f509/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 787aa3251fe70c0757344936f9e5c92841f1fb61138cb758df556e9684a50783 [2022-10-17 16:35:32,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:35:32,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:35:32,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:35:32,373 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:35:32,374 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:35:32,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2022-10-17 16:35:32,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/data/c34666357/45b69229ce32486da2793a75dd4bc305/FLAG87ab08850 [2022-10-17 16:35:32,861 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:35:32,862 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c [2022-10-17 16:35:32,868 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/data/c34666357/45b69229ce32486da2793a75dd4bc305/FLAG87ab08850 [2022-10-17 16:35:33,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/data/c34666357/45b69229ce32486da2793a75dd4bc305 [2022-10-17 16:35:33,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:35:33,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:35:33,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:33,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:35:33,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:35:33,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aea5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33, skipping insertion in model container [2022-10-17 16:35:33,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:35:33,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:35:33,465 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_630454fc-1c89-4409-8a3f-6a49ed22f509/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2022-10-17 16:35:33,482 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:33,491 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:35:33,503 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_630454fc-1c89-4409-8a3f-6a49ed22f509/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound100.c[458,471] [2022-10-17 16:35:33,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:35:33,521 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:35:33,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33 WrapperNode [2022-10-17 16:35:33,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:35:33,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:33,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:35:33,523 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:35:33,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,556 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 38 [2022-10-17 16:35:33,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:35:33,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:35:33,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:35:33,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:35:33,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:35:33,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:35:33,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:35:33,582 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:35:33,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:35:33,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:35:33,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:35:33,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_630454fc-1c89-4409-8a3f-6a49ed22f509/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:35:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:35:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:35:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:35:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:35:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:35:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:35:33,724 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:35:33,726 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:35:33,868 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:35:33,902 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:35:33,902 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:35:33,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:33 BoogieIcfgContainer [2022-10-17 16:35:33,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:35:33,906 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:35:33,906 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:35:33,919 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:35:33,919 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:35:33" (1/1) ... [2022-10-17 16:35:33,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:35:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:35:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:35:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:35:33,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:33,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:34,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:35:34,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:34,257 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 16:35:34,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:34,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2022-10-17 16:35:34,397 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2022-10-17 16:35:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:35:34,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:34,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:34,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:35:34,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:34,532 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 16:35:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-10-17 16:35:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-10-17 16:35:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:35:34,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:34,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:35:34,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:34,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:35:35,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:35,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2022-10-17 16:35:35,096 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2022-10-17 16:35:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:35:35,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:35,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:35,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:35:35,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:35:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:35,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2022-10-17 16:35:35,636 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2022-10-17 16:35:35,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:35:35,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:35,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:35,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:35:35,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:35,953 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:35:36,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2022-10-17 16:35:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2022-10-17 16:35:36,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:35:36,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:36,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:36,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:35:36,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:36,719 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:35:37,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2022-10-17 16:35:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2022-10-17 16:35:37,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:35:37,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:37,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:37,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:35:37,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:37,150 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:35:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2022-10-17 16:35:37,346 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2022-10-17 16:35:37,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:35:37,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:37,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:37,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:37,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:35:37,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:35:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2022-10-17 16:35:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2022-10-17 16:35:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:35:38,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:38,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:38,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:35:38,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:35:39,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:39,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 90 transitions. [2022-10-17 16:35:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 90 transitions. [2022-10-17 16:35:39,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:35:39,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:39,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:39,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:35:39,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:39,126 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-10-17 16:35:39,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 49 states and 92 transitions. [2022-10-17 16:35:39,372 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 92 transitions. [2022-10-17 16:35:39,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:35:39,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:39,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:39,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:35:39,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:35:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2022-10-17 16:35:40,668 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2022-10-17 16:35:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:35:40,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:40,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:40,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:35:40,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:35:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2022-10-17 16:35:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2022-10-17 16:35:41,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:35:41,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:41,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:41,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:35:41,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-17 16:35:41,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:41,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2022-10-17 16:35:41,872 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2022-10-17 16:35:41,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:35:41,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:41,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:41,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:35:41,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 10 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:35:43,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 67 states and 130 transitions. [2022-10-17 16:35:43,465 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 130 transitions. [2022-10-17 16:35:43,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:35:43,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:43,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:43,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:43,583 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:35:43,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:43,890 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:35:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:44,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 136 transitions. [2022-10-17 16:35:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions. [2022-10-17 16:35:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:35:44,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:44,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:44,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:35:44,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-17 16:35:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 71 states and 138 transitions. [2022-10-17 16:35:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 138 transitions. [2022-10-17 16:35:45,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:35:45,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:45,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:45,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:35:45,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 12 proven. 45 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:35:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:46,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2022-10-17 16:35:46,920 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2022-10-17 16:35:46,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:35:46,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:46,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:48,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:35:48,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 14 proven. 70 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-17 16:35:49,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:49,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2022-10-17 16:35:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2022-10-17 16:35:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:35:49,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:49,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:35:49,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 33 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-10-17 16:35:49,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:49,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2022-10-17 16:35:49,734 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2022-10-17 16:35:49,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:35:49,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:49,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:49,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:35:49,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:50,096 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 14 proven. 63 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-10-17 16:35:51,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:51,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 176 transitions. [2022-10-17 16:35:51,563 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 176 transitions. [2022-10-17 16:35:51,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:35:51,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:51,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:54,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 16:35:54,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 31 proven. 78 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-17 16:35:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:56,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2022-10-17 16:35:56,516 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2022-10-17 16:35:56,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:35:56,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:56,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:56,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:35:56,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-10-17 16:35:56,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 93 states and 184 transitions. [2022-10-17 16:35:56,915 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 184 transitions. [2022-10-17 16:35:56,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:35:56,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:56,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:35:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:35:56,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:35:56,973 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:35:57,354 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 16 proven. 84 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:35:59,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:35:59,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2022-10-17 16:35:59,010 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2022-10-17 16:35:59,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:35:59,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:35:59,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:02,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 16:36:02,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 58 proven. 103 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-10-17 16:36:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2022-10-17 16:36:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2022-10-17 16:36:05,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:36:05,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:05,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:36:05,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2022-10-17 16:36:05,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:05,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2022-10-17 16:36:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2022-10-17 16:36:05,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:36:05,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:05,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:05,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 16:36:05,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:06,145 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 18 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.