./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:39:08,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:08,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:08,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:08,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:08,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:08,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:08,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:08,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:08,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:08,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:08,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:08,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:08,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:08,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:08,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:08,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:08,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:08,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:08,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:08,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:08,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:08,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:08,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:08,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:08,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:08,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:08,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:08,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:08,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:08,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:08,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:08,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:08,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:08,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:08,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:08,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:08,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:08,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:08,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:08,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:08,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:08,369 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:08,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:08,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:08,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:08,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:08,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:08,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:08,372 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:08,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:08,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:08,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:08,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:08,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:08,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:08,374 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:08,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:08,375 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:08,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:08,375 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:08,375 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:08,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:08,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:08,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:08,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:08,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:08,377 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:08,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:08,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:08,379 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_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 111e613944cc7c4f40e73d8912198083d9e385bb8d4d44cecdc5062eedc235a0 [2022-10-17 16:39:08,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:08,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:08,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:08,673 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:08,673 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:08,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2022-10-17 16:39:08,734 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/data/3c7d9aa08/cef2afb17ca3416eb38d2a444a00dcb3/FLAGfac773898 [2022-10-17 16:39:09,160 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:09,160 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2022-10-17 16:39:09,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/data/3c7d9aa08/cef2afb17ca3416eb38d2a444a00dcb3/FLAGfac773898 [2022-10-17 16:39:09,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/data/3c7d9aa08/cef2afb17ca3416eb38d2a444a00dcb3 [2022-10-17 16:39:09,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:09,577 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:09,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:09,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:09,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:09,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa861e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09, skipping insertion in model container [2022-10-17 16:39:09,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:09,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:09,795 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c[454,467] [2022-10-17 16:39:09,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:09,817 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:09,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c[454,467] [2022-10-17 16:39:09,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:09,849 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:09,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09 WrapperNode [2022-10-17 16:39:09,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:09,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:09,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:09,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:09,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,883 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 16:39:09,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:09,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:09,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:09,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:09,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:09,905 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:09,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:09,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:09,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:09" (1/1) ... [2022-10-17 16:39:09,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:09,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:09,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:09,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a8b4025-78e8-4f48-83a4-85023e8447b6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:39:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:39:10,061 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:10,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:10,203 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:10,228 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:10,229 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:39:10,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:10 BoogieIcfgContainer [2022-10-17 16:39:10,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:10,232 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:10,232 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:10,243 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:10,243 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:10" (1/1) ... [2022-10-17 16:39:10,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:39:10,314 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:39:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:10,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:39:10,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:10,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:10,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:39:10,483 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:39:10,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:10,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:39:10,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:10,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:39:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:39:10,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:10,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:10,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:10,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:39:10,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:10,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:39:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:39:11,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:39:11,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:11,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:11,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:11,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:39:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:39:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:11,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:11,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:11,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:11,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:12,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:12,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-10-17 16:39:12,406 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 16:39:12,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:12,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:12,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:12,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:39:12,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:12,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:13,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2022-10-17 16:39:13,370 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2022-10-17 16:39:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:13,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:13,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:13,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:13,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:13,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 39 states and 68 transitions. [2022-10-17 16:39:13,796 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 68 transitions. [2022-10-17 16:39:13,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:39:13,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:13,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:13,845 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:39:13,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:13,970 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:39:14,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:14,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2022-10-17 16:39:14,861 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2022-10-17 16:39:14,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:39:14,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:14,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:14,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:39:14,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:15,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 47 states and 96 transitions. [2022-10-17 16:39:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 96 transitions. [2022-10-17 16:39:15,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:39:15,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:15,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:15,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:15,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:39:15,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:15,750 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:39:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2022-10-17 16:39:16,380 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2022-10-17 16:39:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:39:16,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:16,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:16,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:39:16,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:39:17,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:17,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 51 states and 98 transitions. [2022-10-17 16:39:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2022-10-17 16:39:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:39:17,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:17,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:17,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:39:17,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:17,241 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:18,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2022-10-17 16:39:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2022-10-17 16:39:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:39:18,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:18,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:18,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:39:18,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:18,383 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:39:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:19,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 59 states and 125 transitions. [2022-10-17 16:39:19,968 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 125 transitions. [2022-10-17 16:39:19,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:39:19,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:19,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:20,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:39:20,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:20,189 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:39:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 61 states and 126 transitions. [2022-10-17 16:39:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2022-10-17 16:39:21,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:39:21,087 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:21,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:21,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:39:21,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:21,288 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:23,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 69 states and 160 transitions. [2022-10-17 16:39:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 160 transitions. [2022-10-17 16:39:23,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:39:23,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:23,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:39:23,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:23,474 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:39:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 71 states and 161 transitions. [2022-10-17 16:39:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 161 transitions. [2022-10-17 16:39:24,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:39:24,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:24,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:24,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:39:24,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:24,708 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:39:25,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 73 states and 162 transitions. [2022-10-17 16:39:25,702 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 162 transitions. [2022-10-17 16:39:25,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:39:25,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:25,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:25,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:25,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:39:25,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:25,768 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:26,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:26,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 73 states and 161 transitions. [2022-10-17 16:39:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 161 transitions. [2022-10-17 16:39:26,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:39:26,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:26,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:26,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:39:26,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:26,289 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:26,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 73 states and 160 transitions. [2022-10-17 16:39:26,861 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 160 transitions. [2022-10-17 16:39:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:39:26,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:26,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:26,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:39:26,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:27,226 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:39:29,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:29,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 77 states and 180 transitions. [2022-10-17 16:39:29,762 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 180 transitions. [2022-10-17 16:39:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:39:29,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:29,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:29,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:30,167 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:33,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 85 states and 220 transitions. [2022-10-17 16:39:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 220 transitions. [2022-10-17 16:39:33,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:39:33,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:33,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:39:33,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:33,853 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:39:35,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 87 states and 221 transitions. [2022-10-17 16:39:35,631 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 221 transitions. [2022-10-17 16:39:35,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:39:35,632 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:35,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:35,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:35,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:35,730 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:36,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 87 states and 220 transitions. [2022-10-17 16:39:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 220 transitions. [2022-10-17 16:39:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:39:36,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:36,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:36,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:39:36,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:36,978 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:39:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:39,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 89 states and 221 transitions. [2022-10-17 16:39:39,008 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 221 transitions. [2022-10-17 16:39:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:39:39,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:39,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:39,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:39,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:39,087 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 89 states and 220 transitions. [2022-10-17 16:39:40,247 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 220 transitions. [2022-10-17 16:39:40,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:39:40,248 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:40,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:40,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:39:40,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:39:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 91 states and 221 transitions. [2022-10-17 16:39:42,985 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 221 transitions. [2022-10-17 16:39:42,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:39:42,986 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:43,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:43,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.