./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.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_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/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_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/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_f670ca96-cde0-4214-910b-df9dc3a50632/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 d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b --- 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 16:45:51,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:51,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:51,953 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:51,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:51,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:51,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:51,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:51,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:51,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:51,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:51,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:51,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:51,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:51,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:51,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:51,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:51,987 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:51,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:51,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:52,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:52,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:52,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:52,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:52,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:52,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:52,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:52,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:52,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:52,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:52,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:52,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:52,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:52,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:52,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:52,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:52,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:52,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:52,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:52,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:52,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:52,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:45:52,074 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:52,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:52,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:52,076 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:52,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:52,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:52,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:52,078 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:45:52,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:52,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:45:52,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:52,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:52,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:52,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:52,082 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:45:52,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:52,082 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:52,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:52,083 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:52,083 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:52,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:52,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:52,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:52,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:52,085 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:52,085 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:52,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:52,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:52,086 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_f670ca96-cde0-4214-910b-df9dc3a50632/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b [2022-10-17 16:45:52,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:52,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:52,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:52,445 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:52,446 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:52,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2022-10-17 16:45:52,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/data/4cf34f573/cd3352044dd04c00be1d5c9cc609c1a1/FLAG1c7bfbf14 [2022-10-17 16:45:52,958 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:52,959 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2022-10-17 16:45:52,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/data/4cf34f573/cd3352044dd04c00be1d5c9cc609c1a1/FLAG1c7bfbf14 [2022-10-17 16:45:53,355 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/data/4cf34f573/cd3352044dd04c00be1d5c9cc609c1a1 [2022-10-17 16:45:53,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:53,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:53,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:53,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:53,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:53,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c313f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53, skipping insertion in model container [2022-10-17 16:45:53,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:53,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:53,589 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_f670ca96-cde0-4214-910b-df9dc3a50632/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c[454,467] [2022-10-17 16:45:53,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:53,627 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:53,642 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_f670ca96-cde0-4214-910b-df9dc3a50632/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c[454,467] [2022-10-17 16:45:53,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:53,668 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:53,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53 WrapperNode [2022-10-17 16:45:53,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:53,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:53,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:53,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:53,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,705 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 16:45:53,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:53,707 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:53,707 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:53,707 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:53,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,734 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:53,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:53,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:53,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:53,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:53" (1/1) ... [2022-10-17 16:45:53,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:53,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:53,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:53,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f670ca96-cde0-4214-910b-df9dc3a50632/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:53,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:45:53,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:45:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:53,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:45:53,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:45:53,912 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:53,914 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:54,065 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:54,098 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:54,111 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:45:54,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:54 BoogieIcfgContainer [2022-10-17 16:45:54,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:54,115 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:54,115 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:54,126 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:54,126 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:54" (1/1) ... [2022-10-17 16:45:54,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:54,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:45:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:45:54,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:45:54,224 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:54,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:54,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:54,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:45:54,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:54,390 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 16:45:54,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:45:54,426 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:45:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:45:54,428 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:54,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:54,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:54,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:45:54,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:54,577 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 16:45:54,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:45:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:45:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:45:54,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:54,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:54,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:45:54,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:54,745 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 16:45:55,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:55,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:45:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:45:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:45:55,083 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:55,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:55,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:45:55,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:55,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:45:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:45:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:55,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:55,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:55,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:45:55,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:55,827 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 16:45:56,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:56,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2022-10-17 16:45:56,765 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2022-10-17 16:45:56,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:56,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:56,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:56,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:45:56,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:57,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2022-10-17 16:45:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 16:45:57,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:45:57,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:57,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:57,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:45:57,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2022-10-17 16:45:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2022-10-17 16:45:57,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:57,946 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:58,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:45:58,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:58,140 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:45:59,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-10-17 16:45:59,209 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-10-17 16:45:59,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:45:59,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:59,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:59,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:45:59,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:45:59,353 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:00,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:00,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2022-10-17 16:46:00,739 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2022-10-17 16:46:00,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:46:00,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:00,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:00,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:46:00,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:46:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2022-10-17 16:46:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2022-10-17 16:46:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:46:01,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:01,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:01,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:46:01,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:46:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2022-10-17 16:46:02,517 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2022-10-17 16:46:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:46:02,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:02,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:02,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:46:02,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2022-10-17 16:46:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2022-10-17 16:46:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:02,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:02,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:02,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:46:02,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:03,012 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:46:04,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 60 states and 120 transitions. [2022-10-17 16:46:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2022-10-17 16:46:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:04,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:04,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:04,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:46:04,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:04,860 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:46:06,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:06,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 63 states and 124 transitions. [2022-10-17 16:46:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 124 transitions. [2022-10-17 16:46:06,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:06,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:06,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:06,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:46:06,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:46:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 125 transitions. [2022-10-17 16:46:07,518 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2022-10-17 16:46:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:07,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:07,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:07,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:46:07,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:10,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:10,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 73 states and 156 transitions. [2022-10-17 16:46:10,258 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 156 transitions. [2022-10-17 16:46:10,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:10,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:10,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:10,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:46:10,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:10,484 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:46:12,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:12,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 76 states and 159 transitions. [2022-10-17 16:46:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 159 transitions. [2022-10-17 16:46:12,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:12,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:12,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:12,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:12,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:46:12,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:12,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 76 states and 158 transitions. [2022-10-17 16:46:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 158 transitions. [2022-10-17 16:46:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:46:12,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:12,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:46:12,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:12,932 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:13,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 76 states and 157 transitions. [2022-10-17 16:46:13,554 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 157 transitions. [2022-10-17 16:46:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:46:13,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:13,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:13,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:46:13,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:13,899 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:46:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:16,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 80 states and 173 transitions. [2022-10-17 16:46:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 173 transitions. [2022-10-17 16:46:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:46:16,466 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:16,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:16,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:46:16,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:16,791 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:46:18,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 83 states and 176 transitions. [2022-10-17 16:46:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 176 transitions. [2022-10-17 16:46:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:46:18,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:18,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:18,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:46:18,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:19,056 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:46:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:21,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 86 states and 180 transitions. [2022-10-17 16:46:21,994 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 180 transitions. [2022-10-17 16:46:21,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:46:21,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:21,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:22,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:46:22,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:46:24,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:24,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 88 states and 181 transitions. [2022-10-17 16:46:24,556 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 181 transitions. [2022-10-17 16:46:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:46:24,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:24,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:24,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:46:24,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:46:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.