./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4 --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 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 --- 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-2329fc7 [2022-12-14 21:43:23,645 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:43:23,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:43:23,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:43:23,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:43:23,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:43:23,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:43:23,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:43:23,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:43:23,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:43:23,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:43:23,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:43:23,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:43:23,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:43:23,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:43:23,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:43:23,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:43:23,672 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:43:23,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:43:23,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:43:23,675 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:43:23,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:43:23,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:43:23,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:43:23,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:43:23,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:43:23,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:43:23,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:43:23,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:43:23,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:43:23,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:43:23,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:43:23,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:43:23,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:43:23,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:43:23,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:43:23,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:43:23,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:43:23,684 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:43:23,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:43:23,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:43:23,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 21:43:23,702 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:43:23,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:43:23,703 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:43:23,703 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:43:23,703 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:43:23,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:43:23,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:43:23,708 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:43:23,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:43:23,710 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:43:23,710 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:43:23,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:43:23,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:43:23,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:43:23,710 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:43:23,710 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:43:23,710 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:43:23,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:43:23,711 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:43:23,711 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_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 174cfd8cb6426614b32355f584844d4fc6265ba8fd3c3cda6c788ade64de4fc0 [2022-12-14 21:43:23,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:43:23,925 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:43:23,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:43:23,928 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:43:23,929 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:43:23,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2022-12-14 21:43:26,533 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:43:26,648 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:43:26,649 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c [2022-12-14 21:43:26,653 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/data/3b2383770/7654ad67ed2243df98a5e1c70b7aa956/FLAG385c94f99 [2022-12-14 21:43:26,663 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/data/3b2383770/7654ad67ed2243df98a5e1c70b7aa956 [2022-12-14 21:43:26,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:43:26,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:43:26,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:43:26,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:43:26,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:43:26,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a43a22a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26, skipping insertion in model container [2022-12-14 21:43:26,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:43:26,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:43:26,788 WARN L237 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_2eb80346-c60b-457f-a5ff-586064785126/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c[526,539] [2022-12-14 21:43:26,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:43:26,805 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:43:26,814 WARN L237 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_2eb80346-c60b-457f-a5ff-586064785126/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound10.c[526,539] [2022-12-14 21:43:26,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:43:26,828 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:43:26,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26 WrapperNode [2022-12-14 21:43:26,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:43:26,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:43:26,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:43:26,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:43:26,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,851 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-12-14 21:43:26,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:43:26,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:43:26,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:43:26,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:43:26,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,865 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,866 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:43:26,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:43:26,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:43:26,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:43:26,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:43:26" (1/1) ... [2022-12-14 21:43:26,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:43:26,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:43:26,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:43:26,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:43:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:43:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:43:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:43:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:43:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-12-14 21:43:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-12-14 21:43:26,977 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:43:26,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:43:27,087 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:43:27,126 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:43:27,127 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 21:43:27,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:43:27 BoogieIcfgContainer [2022-12-14 21:43:27,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:43:27,130 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:43:27,130 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:43:27,140 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:43:27,140 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:43:27" (1/1) ... [2022-12-14 21:43:27,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:43:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:27,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2022-12-14 21:43:27,204 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2022-12-14 21:43:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 21:43:27,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:27,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:27,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:43:27,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:27,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2022-12-14 21:43:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-12-14 21:43:27,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:43:27,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:27,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:43:27,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:27,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2022-12-14 21:43:27,673 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2022-12-14 21:43:27,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 21:43:27,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:27,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:27,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:27,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-14 21:43:27,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:27,865 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:43:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2022-12-14 21:43:28,140 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2022-12-14 21:43:28,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:43:28,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:28,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:28,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 21:43:28,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 21:43:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 55 transitions. [2022-12-14 21:43:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2022-12-14 21:43:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-14 21:43:28,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:28,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 21:43:28,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-12-14 21:43:28,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 63 transitions. [2022-12-14 21:43:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2022-12-14 21:43:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-14 21:43:28,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:28,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:28,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 21:43:28,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 12 proven. 14 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 21:43:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 73 transitions. [2022-12-14 21:43:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2022-12-14 21:43:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-14 21:43:29,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:29,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:29,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-14 21:43:29,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:29,343 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-12-14 21:43:29,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:29,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 46 states and 82 transitions. [2022-12-14 21:43:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 82 transitions. [2022-12-14 21:43:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 21:43:29,476 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:29,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:29,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 21:43:29,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:29,532 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-12-14 21:43:29,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:29,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 50 states and 90 transitions. [2022-12-14 21:43:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 90 transitions. [2022-12-14 21:43:29,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-12-14 21:43:29,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:29,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:29,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-14 21:43:29,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 21:43:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 91 transitions. [2022-12-14 21:43:30,080 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 91 transitions. [2022-12-14 21:43:30,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 21:43:30,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:30,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:30,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 21:43:30,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:30,175 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 14 proven. 13 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-12-14 21:43:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 51 states and 90 transitions. [2022-12-14 21:43:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 90 transitions. [2022-12-14 21:43:30,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-14 21:43:30,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:30,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:30,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 21:43:30,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:30,483 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 18 proven. 32 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 21:43:31,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:31,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 56 states and 100 transitions. [2022-12-14 21:43:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2022-12-14 21:43:31,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-14 21:43:31,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:31,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:31,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 21:43:31,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-12-14 21:43:31,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:31,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 62 states and 115 transitions. [2022-12-14 21:43:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 115 transitions. [2022-12-14 21:43:31,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 21:43:31,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:31,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:32,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-14 21:43:32,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 20 proven. 30 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-12-14 21:43:32,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 64 states and 120 transitions. [2022-12-14 21:43:32,278 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 120 transitions. [2022-12-14 21:43:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-14 21:43:32,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:32,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 21:43:32,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 20 proven. 22 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-14 21:43:32,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 64 states and 119 transitions. [2022-12-14 21:43:32,573 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 119 transitions. [2022-12-14 21:43:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 21:43:32,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:32,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:32,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 33 conjunts are in the unsatisfiable core [2022-12-14 21:43:32,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 22 proven. 34 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-12-14 21:43:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:33,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 67 states and 126 transitions. [2022-12-14 21:43:33,367 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2022-12-14 21:43:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-12-14 21:43:33,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:33,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:33,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-14 21:43:33,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:33,522 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 24 proven. 55 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 21:43:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:34,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 72 states and 136 transitions. [2022-12-14 21:43:34,200 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 136 transitions. [2022-12-14 21:43:34,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 21:43:34,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:34,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:34,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-14 21:43:34,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 24 proven. 37 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 21:43:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 72 states and 135 transitions. [2022-12-14 21:43:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 135 transitions. [2022-12-14 21:43:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-14 21:43:34,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:34,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 21:43:34,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 24 proven. 45 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2022-12-14 21:43:35,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:35,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 150 transitions. [2022-12-14 21:43:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 150 transitions. [2022-12-14 21:43:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 21:43:35,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:35,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:35,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 31 conjunts are in the unsatisfiable core [2022-12-14 21:43:35,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 26 proven. 49 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-12-14 21:43:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:35,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 80 states and 155 transitions. [2022-12-14 21:43:35,760 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 155 transitions. [2022-12-14 21:43:35,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 21:43:35,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:35,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:35,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-14 21:43:35,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 26 proven. 31 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:43:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:36,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 80 states and 154 transitions. [2022-12-14 21:43:36,068 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 154 transitions. [2022-12-14 21:43:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 21:43:36,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:36,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:36,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 21:43:36,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:36,272 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 41 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2022-12-14 21:43:36,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:36,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 82 states and 164 transitions. [2022-12-14 21:43:36,775 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 164 transitions. [2022-12-14 21:43:36,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 21:43:36,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:36,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:36,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 21:43:36,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-12-14 21:43:38,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:38,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 86 states and 177 transitions. [2022-12-14 21:43:38,028 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 177 transitions. [2022-12-14 21:43:38,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-12-14 21:43:38,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:38,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:38,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 34 conjunts are in the unsatisfiable core [2022-12-14 21:43:38,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 30 proven. 83 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-14 21:43:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:39,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 91 states and 188 transitions. [2022-12-14 21:43:39,532 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 188 transitions. [2022-12-14 21:43:39,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 21:43:39,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:39,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:39,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 21:43:39,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:39,880 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 30 proven. 62 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-14 21:43:40,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:40,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 101 states and 207 transitions. [2022-12-14 21:43:40,661 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 207 transitions. [2022-12-14 21:43:40,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 21:43:40,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:40,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:40,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 21:43:40,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 30 proven. 62 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-14 21:43:41,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 103 states and 212 transitions. [2022-12-14 21:43:41,075 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 212 transitions. [2022-12-14 21:43:41,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 21:43:41,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:41,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:41,106 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 39 conjunts are in the unsatisfiable core [2022-12-14 21:43:41,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 30 proven. 69 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2022-12-14 21:43:42,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 109 states and 229 transitions. [2022-12-14 21:43:42,622 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 229 transitions. [2022-12-14 21:43:42,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 21:43:42,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:42,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:42,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 21:43:42,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:42,791 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 32 proven. 73 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-12-14 21:43:43,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 111 states and 234 transitions. [2022-12-14 21:43:43,077 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 234 transitions. [2022-12-14 21:43:43,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 21:43:43,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:43,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:43,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-14 21:43:43,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:43,281 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 32 proven. 40 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-12-14 21:43:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:44,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 114 states and 245 transitions. [2022-12-14 21:43:44,263 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 245 transitions. [2022-12-14 21:43:44,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 21:43:44,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:44,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:44,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:44,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 21:43:44,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 32 proven. 67 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-12-14 21:43:46,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:46,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 119 states and 256 transitions. [2022-12-14 21:43:46,592 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 256 transitions. [2022-12-14 21:43:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-14 21:43:46,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:46,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:46,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 21:43:46,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 32 proven. 67 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-12-14 21:43:47,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:47,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 121 states and 259 transitions. [2022-12-14 21:43:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 259 transitions. [2022-12-14 21:43:47,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 21:43:47,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:47,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 21:43:47,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 77 proven. 4 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-12-14 21:43:47,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:47,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 124 states and 267 transitions. [2022-12-14 21:43:47,633 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 267 transitions. [2022-12-14 21:43:47,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-12-14 21:43:47,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:47,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:47,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-14 21:43:47,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:47,797 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-14 21:43:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 124 states and 266 transitions. [2022-12-14 21:43:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 266 transitions. [2022-12-14 21:43:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 21:43:48,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:48,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:48,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:48,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-14 21:43:48,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 34 proven. 81 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2022-12-14 21:43:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 128 states and 279 transitions. [2022-12-14 21:43:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 279 transitions. [2022-12-14 21:43:50,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 21:43:50,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:50,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:50,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 21:43:50,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-12-14 21:43:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:52,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 133 states and 289 transitions. [2022-12-14 21:43:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 289 transitions. [2022-12-14 21:43:52,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 21:43:52,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:52,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:52,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-14 21:43:52,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2022-12-14 21:43:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 116 states and 240 transitions. [2022-12-14 21:43:53,357 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 240 transitions. [2022-12-14 21:43:53,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 21:43:53,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:53,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:53,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 21:43:53,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:53,666 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 36 proven. 86 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-12-14 21:43:54,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:54,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 118 states and 244 transitions. [2022-12-14 21:43:54,100 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 244 transitions. [2022-12-14 21:43:54,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 21:43:54,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:54,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:54,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 21:43:54,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 36 proven. 86 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-12-14 21:43:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 120 states and 248 transitions. [2022-12-14 21:43:54,576 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 248 transitions. [2022-12-14 21:43:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 21:43:54,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:54,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:54,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 21:43:54,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-12-14 21:43:56,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:56,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 123 states and 258 transitions. [2022-12-14 21:43:56,714 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 258 transitions. [2022-12-14 21:43:56,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 21:43:56,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:56,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:56,758 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 21:43:56,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:56,971 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2022-12-14 21:43:57,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 125 states and 262 transitions. [2022-12-14 21:43:57,519 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 262 transitions. [2022-12-14 21:43:57,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 21:43:57,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:57,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:57,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 41 conjunts are in the unsatisfiable core [2022-12-14 21:43:57,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:57,798 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 38 proven. 102 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2022-12-14 21:43:58,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:58,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 127 states and 266 transitions. [2022-12-14 21:43:58,296 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 266 transitions. [2022-12-14 21:43:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 21:43:58,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:58,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:58,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-14 21:43:58,407 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:43:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 38 proven. 97 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2022-12-14 21:44:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:02,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 141 states and 298 transitions. [2022-12-14 21:44:02,868 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 298 transitions. [2022-12-14 21:44:02,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 21:44:02,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:02,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:02,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-14 21:44:02,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 38 proven. 97 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2022-12-14 21:44:03,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:03,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 143 states and 301 transitions. [2022-12-14 21:44:03,864 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 301 transitions. [2022-12-14 21:44:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-14 21:44:03,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:03,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 47 conjunts are in the unsatisfiable core [2022-12-14 21:44:03,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 40 proven. 103 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-12-14 21:44:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:04,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 145 states and 305 transitions. [2022-12-14 21:44:04,898 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 305 transitions. [2022-12-14 21:44:04,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-14 21:44:04,899 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:04,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:04,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-14 21:44:04,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:05,446 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 40 proven. 103 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-12-14 21:44:06,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:06,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 147 states and 309 transitions. [2022-12-14 21:44:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 309 transitions. [2022-12-14 21:44:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-14 21:44:06,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:06,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:06,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-14 21:44:06,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 40 proven. 103 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-12-14 21:44:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:06,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 149 states and 313 transitions. [2022-12-14 21:44:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 313 transitions. [2022-12-14 21:44:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-14 21:44:06,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:06,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:06,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-14 21:44:06,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 40 proven. 110 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2022-12-14 21:44:10,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:10,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 157 states and 329 transitions. [2022-12-14 21:44:10,639 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 329 transitions. [2022-12-14 21:44:10,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 21:44:10,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:10,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:10,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-14 21:44:10,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:11,700 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 42 proven. 115 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2022-12-14 21:44:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 159 states and 333 transitions. [2022-12-14 21:44:13,018 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 333 transitions. [2022-12-14 21:44:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-14 21:44:13,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:13,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:13,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-14 21:44:13,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:14,688 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 42 proven. 109 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2022-12-14 21:44:18,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 164 states and 344 transitions. [2022-12-14 21:44:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 344 transitions. [2022-12-14 21:44:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-14 21:44:18,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:18,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:18,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-14 21:44:18,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 854 backedges. 42 proven. 109 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2022-12-14 21:44:19,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:19,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 166 states and 347 transitions. [2022-12-14 21:44:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 347 transitions. [2022-12-14 21:44:19,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-14 21:44:19,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:19,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:19,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 21:44:19,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 44 proven. 112 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-12-14 21:44:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:21,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 166 states and 346 transitions. [2022-12-14 21:44:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 346 transitions. [2022-12-14 21:44:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-14 21:44:21,445 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:21,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:21,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 58 conjunts are in the unsatisfiable core [2022-12-14 21:44:21,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:22,554 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 44 proven. 126 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2022-12-14 21:44:26,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:26,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 172 states and 362 transitions. [2022-12-14 21:44:26,262 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 362 transitions. [2022-12-14 21:44:26,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-14 21:44:26,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:26,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:26,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-14 21:44:26,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:26,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 46 proven. 132 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-12-14 21:44:27,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:27,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 174 states and 366 transitions. [2022-12-14 21:44:27,129 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 366 transitions. [2022-12-14 21:44:27,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-12-14 21:44:27,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:27,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:27,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 55 conjunts are in the unsatisfiable core [2022-12-14 21:44:27,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:27,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 46 proven. 132 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2022-12-14 21:44:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:27,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 176 states and 370 transitions. [2022-12-14 21:44:27,938 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 370 transitions. [2022-12-14 21:44:27,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-14 21:44:27,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:27,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:28,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 63 conjunts are in the unsatisfiable core [2022-12-14 21:44:28,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:29,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 48 proven. 146 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2022-12-14 21:44:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:33,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 182 states and 387 transitions. [2022-12-14 21:44:33,828 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 387 transitions. [2022-12-14 21:44:33,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 21:44:33,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:33,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:33,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 61 conjunts are in the unsatisfiable core [2022-12-14 21:44:33,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 50 proven. 153 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2022-12-14 21:44:35,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:35,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 184 states and 391 transitions. [2022-12-14 21:44:35,161 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 391 transitions. [2022-12-14 21:44:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 21:44:35,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:35,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:35,252 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 61 conjunts are in the unsatisfiable core [2022-12-14 21:44:35,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 50 proven. 153 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2022-12-14 21:44:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 186 states and 395 transitions. [2022-12-14 21:44:36,163 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 395 transitions. [2022-12-14 21:44:36,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-12-14 21:44:36,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:36,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:36,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-14 21:44:36,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1238 backedges. 50 proven. 153 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2022-12-14 21:44:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 188 states and 399 transitions. [2022-12-14 21:44:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 399 transitions. [2022-12-14 21:44:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-12-14 21:44:37,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:37,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:37,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 65 conjunts are in the unsatisfiable core [2022-12-14 21:44:37,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1340 backedges. 52 proven. 160 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2022-12-14 21:44:44,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:44,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 117 states and 184 transitions. [2022-12-14 21:44:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 184 transitions. [2022-12-14 21:44:44,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-14 21:44:44,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:44:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:44:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:44:44,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-14 21:44:44,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 21:44:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1442 backedges. 54 proven. 163 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2022-12-14 21:44:46,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:44:46,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 112 states and 179 transitions. [2022-12-14 21:44:46,515 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 179 transitions. [2022-12-14 21:44:46,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:44:46,516 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 60 iterations. [2022-12-14 21:44:46,522 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 21:44:48,459 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 21:44:48,462 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 21:44:48,463 INFO L560 CodeCheckObserver]: Invariant with dag size 59 [2022-12-14 21:44:48,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:44:48 ImpRootNode [2022-12-14 21:44:48,469 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:44:48,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:44:48,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:44:48,469 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:44:48,469 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:43:27" (3/4) ... [2022-12-14 21:44:48,471 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:44:48,475 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2022-12-14 21:44:48,477 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-14 21:44:48,477 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-14 21:44:48,477 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 21:44:48,477 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:44:48,478 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:44:48,502 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:44:48,502 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:44:48,502 INFO L158 Benchmark]: Toolchain (without parser) took 81836.28ms. Allocated memory was 125.8MB in the beginning and 383.8MB in the end (delta: 257.9MB). Free memory was 84.2MB in the beginning and 234.4MB in the end (delta: -150.2MB). Peak memory consumption was 110.0MB. Max. memory is 16.1GB. [2022-12-14 21:44:48,502 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:44:48,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 161.69ms. Allocated memory is still 125.8MB. Free memory was 84.2MB in the beginning and 73.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 21:44:48,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.66ms. Allocated memory is still 125.8MB. Free memory was 73.4MB in the beginning and 72.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:44:48,503 INFO L158 Benchmark]: Boogie Preprocessor took 15.27ms. Allocated memory is still 125.8MB. Free memory was 72.1MB in the beginning and 70.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:44:48,503 INFO L158 Benchmark]: RCFGBuilder took 261.50ms. Allocated memory is still 125.8MB. Free memory was 70.9MB in the beginning and 57.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 21:44:48,504 INFO L158 Benchmark]: CodeCheck took 81338.60ms. Allocated memory was 125.8MB in the beginning and 383.8MB in the end (delta: 257.9MB). Free memory was 57.3MB in the beginning and 236.5MB in the end (delta: -179.2MB). Peak memory consumption was 231.6MB. Max. memory is 16.1GB. [2022-12-14 21:44:48,504 INFO L158 Benchmark]: Witness Printer took 32.70ms. Allocated memory is still 383.8MB. Free memory was 236.5MB in the beginning and 234.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:44:48,505 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 79.4s, OverallIterations: 60, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20791 SdHoareTripleChecker+Valid, 104.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5942 mSDsluCounter, 11179 SdHoareTripleChecker+Invalid, 92.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8822 mSDsCounter, 21213 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52023 IncrementalHoareTripleChecker+Invalid, 73236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21213 mSolverCounterUnsat, 2357 mSDtfsCounter, 52023 mSolverCounterSat, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48256 GetRequests, 46243 SyntacticMatches, 1391 SemanticMatches, 622 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248156 ImplicationChecksByTransitivity, 57.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 21.1s InterpolantComputationTime, 5213 NumberOfCodeBlocks, 5213 NumberOfCodeBlocksAsserted, 59 NumberOfCheckSat, 5154 ConstructedInterpolants, 0 QuantifiedInterpolants, 30846 SizeOfPredicates, 237 NumberOfNonLiveVariables, 13211 ConjunctsInSsa, 2064 ConjunctsInUnsatCore, 59 InterpolantComputations, 6 PerfectInterpolantSequences, 27762/31754 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: (((((((((((!((p == 4 && d == B * 4) && B == 1) && !((d == 2 * B && 2 == p) && B == 1)) && !((p == 1 && B == d) && B == 1)) && !((16 * B == d && 16 == p) && 1 <= B)) && !((p == 8 && B * 8 == d) && B == 1)) || (16 == p && !(r <= 10))) || (B <= r && 2 == p)) || ((B == d && A <= 10) && 0 <= A)) || (d == B * 4 && 2 * B <= r)) || (B * 4 <= r && B * 8 == d)) || !(A == r)) || !(q == 0)) || (B * 8 <= r && r <= 10) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 95.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 161.69ms. Allocated memory is still 125.8MB. Free memory was 84.2MB in the beginning and 73.4MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.66ms. Allocated memory is still 125.8MB. Free memory was 73.4MB in the beginning and 72.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.27ms. Allocated memory is still 125.8MB. Free memory was 72.1MB in the beginning and 70.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.50ms. Allocated memory is still 125.8MB. Free memory was 70.9MB in the beginning and 57.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 81338.60ms. Allocated memory was 125.8MB in the beginning and 383.8MB in the end (delta: 257.9MB). Free memory was 57.3MB in the beginning and 236.5MB in the end (delta: -179.2MB). Peak memory consumption was 231.6MB. Max. memory is 16.1GB. * Witness Printer took 32.70ms. Allocated memory is still 383.8MB. Free memory was 236.5MB in the beginning and 234.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:44:48,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb80346-c60b-457f-a5ff-586064785126/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE