./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-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_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/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_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/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_70219ede-b347-498b-a9a5-03d293f1fa17/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 2bd6e67b7fa2ee5ce263daa222a7fee92baa3ec009b3953f796d40da324e5524 --- 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 16:55:45,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:45,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:45,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:45,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:45,793 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:45,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:45,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:45,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:45,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:45,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:45,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:45,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:45,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:45,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:45,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:45,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:45,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:45,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:45,844 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:45,847 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:45,848 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:45,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:45,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:45,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:45,859 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:45,859 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:45,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:45,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:45,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:45,864 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:45,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:45,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:45,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:45,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:45,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:45,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:45,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:45,873 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:45,874 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:45,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:45,875 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:55:45,920 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:45,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:45,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:45,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:45,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:45,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:45,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:45,924 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:45,924 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:45,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:45,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:45,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:45,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:45,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:45,926 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:45,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:45,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:45,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:45,927 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:45,927 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:45,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:45,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:45,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:45,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:45,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:45,929 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:45,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:45,931 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:45,931 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_70219ede-b347-498b-a9a5-03d293f1fa17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bd6e67b7fa2ee5ce263daa222a7fee92baa3ec009b3953f796d40da324e5524 [2022-10-17 16:55:46,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:46,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:46,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:46,262 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:46,263 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:46,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c [2022-10-17 16:55:46,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/data/843e705b8/ed91cf00f4a6466889294b5bd1951504/FLAG92e4a172f [2022-10-17 16:55:46,820 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:46,821 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c [2022-10-17 16:55:46,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/data/843e705b8/ed91cf00f4a6466889294b5bd1951504/FLAG92e4a172f [2022-10-17 16:55:47,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/data/843e705b8/ed91cf00f4a6466889294b5bd1951504 [2022-10-17 16:55:47,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:47,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:47,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:47,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:47,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:47,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40efe95e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47, skipping insertion in model container [2022-10-17 16:55:47,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:47,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:47,442 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_70219ede-b347-498b-a9a5-03d293f1fa17/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c[525,538] [2022-10-17 16:55:47,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:47,477 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:47,493 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_70219ede-b347-498b-a9a5-03d293f1fa17/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c[525,538] [2022-10-17 16:55:47,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:47,519 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:47,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47 WrapperNode [2022-10-17 16:55:47,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:47,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:47,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:47,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:47,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,561 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2022-10-17 16:55:47,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:47,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:47,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:47,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:47,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:47,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:47,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:47,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:47,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:47" (1/1) ... [2022-10-17 16:55:47,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:47,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:47,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:47,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70219ede-b347-498b-a9a5-03d293f1fa17/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:47,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:55:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:55:47,796 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:47,798 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:48,003 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:48,036 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:48,036 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:55:48,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:48 BoogieIcfgContainer [2022-10-17 16:55:48,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:48,041 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:48,041 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:48,051 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:48,051 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:48" (1/1) ... [2022-10-17 16:55:48,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:48,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:48,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2022-10-17 16:55:48,120 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2022-10-17 16:55:48,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:55:48,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:48,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:48,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:55:48,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:48,249 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 16:55:48,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 16:55:48,266 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 16:55:48,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:55:48,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:48,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:48,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:55:48,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:48,389 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 16:55:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2022-10-17 16:55:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-10-17 16:55:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:55:48,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:48,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:48,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:55:48,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:48,613 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 16:55:48,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2022-10-17 16:55:48,930 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2022-10-17 16:55:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:55:48,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:48,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:48,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:55:48,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:49,195 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 16:55:49,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:49,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2022-10-17 16:55:49,611 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2022-10-17 16:55:49,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:55:49,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:49,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:49,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:55:49,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:50,291 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 16:55:52,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:52,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2022-10-17 16:55:52,428 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2022-10-17 16:55:52,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:55:52,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:52,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:52,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:55:52,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:52,557 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 16:55:54,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2022-10-17 16:55:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2022-10-17 16:55:54,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:55:54,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:54,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:54,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:55:54,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:54,302 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 16:55:55,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 40 states and 81 transitions. [2022-10-17 16:55:55,122 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 81 transitions. [2022-10-17 16:55:55,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:55:55,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:55,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:55,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:55:55,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:55,281 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 16:55:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:57,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 44 states and 98 transitions. [2022-10-17 16:55:57,026 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 98 transitions. [2022-10-17 16:55:57,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:55:57,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:57,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:57,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:55:57,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:08,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 48 states and 115 transitions. [2022-10-17 16:56:08,688 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 115 transitions. [2022-10-17 16:56:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:56:08,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:08,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:08,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:56:08,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:13,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 50 states and 123 transitions. [2022-10-17 16:56:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 123 transitions. [2022-10-17 16:56:13,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:56:13,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:13,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:56:13,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:56:18,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:56:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:26,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 53 states and 136 transitions. [2022-10-17 16:56:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 136 transitions. [2022-10-17 16:56:26,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:56:26,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:26,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:26,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:56:26,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:56:26,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.