./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.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_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/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_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/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_20846b05-21f3-4689-987d-f61296790a00/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 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:57:55,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:55,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:55,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:55,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:55,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:55,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:55,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:55,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:55,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:55,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:55,154 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:55,154 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:55,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:55,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:55,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:55,164 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:55,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:55,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:55,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:55,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:55,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:55,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:55,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:55,196 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:55,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:55,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:55,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:55,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:55,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:55,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:55,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:55,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:55,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:55,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:55,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:55,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:55,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:55,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:55,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:55,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:55,213 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:55,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:55,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:55,271 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:55,271 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:55,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:55,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:55,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:55,273 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:55,273 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:55,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:55,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:55,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:55,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:55,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:55,275 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:55,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:55,275 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:55,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:55,276 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:55,276 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:55,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:55,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:55,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:55,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:55,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:55,277 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:55,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:55,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:55,278 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_20846b05-21f3-4689-987d-f61296790a00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf [2022-10-17 16:57:55,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:55,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:55,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:55,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:55,597 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:55,600 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2022-10-17 16:57:55,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/data/1fb2c7f74/599deb68e2a0459ca280fef53669ba8c/FLAG8580848cd [2022-10-17 16:57:56,208 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:56,209 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2022-10-17 16:57:56,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/data/1fb2c7f74/599deb68e2a0459ca280fef53669ba8c/FLAG8580848cd [2022-10-17 16:57:56,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/data/1fb2c7f74/599deb68e2a0459ca280fef53669ba8c [2022-10-17 16:57:56,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:56,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:56,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:56,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:56,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:56,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34e2d065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56, skipping insertion in model container [2022-10-17 16:57:56,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:56,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:56,840 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_20846b05-21f3-4689-987d-f61296790a00/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c[526,539] [2022-10-17 16:57:56,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:56,868 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:56,880 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_20846b05-21f3-4689-987d-f61296790a00/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c[526,539] [2022-10-17 16:57:56,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:56,911 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:56,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56 WrapperNode [2022-10-17 16:57:56,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:56,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:56,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:56,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:56,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,949 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 61 [2022-10-17 16:57:56,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:56,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:56,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:56,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:56,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:56,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:56,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:56,976 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:56,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:56" (1/1) ... [2022-10-17 16:57:56,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:57,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:57,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:57,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20846b05-21f3-4689-987d-f61296790a00/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:57,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:57,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:57:57,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:57:57,124 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:57,127 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:57,384 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:57,445 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:57,445 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:57:57,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:57 BoogieIcfgContainer [2022-10-17 16:57:57,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:57,449 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:57,449 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:57,468 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:57,468 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:57" (1/1) ... [2022-10-17 16:57:57,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2022-10-17 16:57:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2022-10-17 16:57:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:57:57,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:57,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:57,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:57:57,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:57:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:57:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:57:57,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:57,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:58,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2022-10-17 16:57:58,176 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-10-17 16:57:58,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:57:58,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:58,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:58,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:57:58,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:58,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:58,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2022-10-17 16:57:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 16:57:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:57:58,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:58,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:58,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:57:59,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2022-10-17 16:57:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2022-10-17 16:57:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:57:59,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:59,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:59,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:57:59,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:57:59,325 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:58:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2022-10-17 16:58:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2022-10-17 16:58:00,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:58:00,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:00,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:00,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:00,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:00,134 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:58:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:00,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 71 transitions. [2022-10-17 16:58:00,350 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2022-10-17 16:58:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:58:00,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:00,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:00,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:58:00,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:58:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:01,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 52 states and 106 transitions. [2022-10-17 16:58:01,718 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2022-10-17 16:58:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:58:01,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:01,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:01,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:58:01,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:01,832 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:58:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:02,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 54 states and 112 transitions. [2022-10-17 16:58:02,263 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2022-10-17 16:58:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:58:02,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:02,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:02,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:02,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:02,517 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:58:03,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 59 states and 127 transitions. [2022-10-17 16:58:03,509 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 127 transitions. [2022-10-17 16:58:03,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:58:03,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:03,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:03,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:03,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:58:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 61 states and 128 transitions. [2022-10-17 16:58:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2022-10-17 16:58:03,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:58:04,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:04,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:04,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:04,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:58:04,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:04,213 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:58:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:06,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 67 states and 149 transitions. [2022-10-17 16:58:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2022-10-17 16:58:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:58:06,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:06,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:06,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:58:06,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:58:06,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 69 states and 150 transitions. [2022-10-17 16:58:06,804 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2022-10-17 16:58:06,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:58:06,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:06,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:06,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:06,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:58:07,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:07,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 72 states and 163 transitions. [2022-10-17 16:58:07,165 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 163 transitions. [2022-10-17 16:58:07,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:58:07,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:07,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:07,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:58:07,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 16:58:08,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:08,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 77 states and 178 transitions. [2022-10-17 16:58:08,787 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 178 transitions. [2022-10-17 16:58:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:58:08,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:08,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:08,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:58:08,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-17 16:58:09,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:09,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 79 states and 185 transitions. [2022-10-17 16:58:09,443 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 185 transitions. [2022-10-17 16:58:09,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:58:09,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:09,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:09,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:09,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-10-17 16:58:09,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 79 states and 183 transitions. [2022-10-17 16:58:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 183 transitions. [2022-10-17 16:58:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:58:09,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:09,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:09,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:09,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:58:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:12,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 89 states and 243 transitions. [2022-10-17 16:58:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 243 transitions. [2022-10-17 16:58:12,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:58:12,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:12,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:12,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:12,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:12,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:58:12,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 89 states and 242 transitions. [2022-10-17 16:58:12,497 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 242 transitions. [2022-10-17 16:58:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:12,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:12,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:12,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-10-17 16:58:14,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:14,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 91 states and 249 transitions. [2022-10-17 16:58:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 249 transitions. [2022-10-17 16:58:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:14,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:14,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:14,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:58:14,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:14,356 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:58:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 93 states and 255 transitions. [2022-10-17 16:58:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 255 transitions. [2022-10-17 16:58:15,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:58:15,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:15,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:15,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:58:15,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 16 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 16:58:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 95 states and 256 transitions. [2022-10-17 16:58:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 256 transitions. [2022-10-17 16:58:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:58:15,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:15,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:15,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:58:15,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:58:20,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:20,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 101 states and 286 transitions. [2022-10-17 16:58:20,795 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 286 transitions. [2022-10-17 16:58:20,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:58:20,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:20,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:20,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:58:20,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:20,978 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:58:22,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 103 states and 287 transitions. [2022-10-17 16:58:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 287 transitions. [2022-10-17 16:58:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:58:22,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:22,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:22,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:58:22,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:22,593 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-10-17 16:58:24,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:58:24,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 106 states and 291 transitions. [2022-10-17 16:58:24,757 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 291 transitions. [2022-10-17 16:58:24,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:58:24,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:58:24,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:58:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:58:24,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:58:24,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:58:25,862 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.