./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a555daf8b3d43d9709cd95be6561d3a47f75ee906fd0e296710c365eb1f220a2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:11:19,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:11:19,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-12-02 20:11:19,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:11:19,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 20:11:19,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:11:19,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 20:11:19,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 20:11:19,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:11:19,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 20:11:19,232 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 20:11:19,232 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 20:11:19,233 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 20:11:19,233 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 20:11:19,234 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 20:11:19,234 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 20:11:19,235 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 20:11:19,235 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 20:11:19,236 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 20:11:19,236 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 20:11:19,237 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 20:11:19,237 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 20:11:19,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:11:19,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:11:19,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:11:19,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:11:19,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:11:19,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:11:19,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:11:19,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:11:19,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:11:19,241 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 20:11:19,242 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 20:11:19,242 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:11:19,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:11:19,242 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:11:19,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:11:19,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 20:11:19,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 20:11:19,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:11:19,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:11:19,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:11:19,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:11:19,244 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 20:11:19,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:11:19,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 20:11:19,244 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:11:19,245 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 20:11:19,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:11:19,245 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a555daf8b3d43d9709cd95be6561d3a47f75ee906fd0e296710c365eb1f220a2 [2023-12-02 20:11:19,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:11:19,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:11:19,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:11:19,461 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:11:19,461 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:11:19,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i [2023-12-02 20:11:22,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:11:22,483 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:11:22,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i [2023-12-02 20:11:22,502 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/data/79341fe7e/2004489c62dc473cb37b8d6e72a543cd/FLAG422a99466 [2023-12-02 20:11:22,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/data/79341fe7e/2004489c62dc473cb37b8d6e72a543cd [2023-12-02 20:11:22,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:11:22,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:11:22,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:11:22,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:11:22,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:11:22,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:22" (1/1) ... [2023-12-02 20:11:22,528 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4371e795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:22, skipping insertion in model container [2023-12-02 20:11:22,528 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:11:22" (1/1) ... [2023-12-02 20:11:22,583 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:11:22,930 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:11:22,942 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:11:23,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:11:23,044 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:23,044 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:11:23,051 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:11:23,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23 WrapperNode [2023-12-02 20:11:23,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:11:23,052 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:11:23,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:11:23,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:11:23,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,118 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 276 [2023-12-02 20:11:23,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:11:23,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:11:23,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:11:23,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:11:23,128 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:11:23,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:11:23,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:11:23,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:11:23,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (1/1) ... [2023-12-02 20:11:23,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 20:11:23,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 20:11:23,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 20:11:23,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 20:11:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 20:11:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 20:11:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:11:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:11:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:11:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 20:11:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 20:11:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 20:11:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 20:11:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 20:11:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 20:11:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 20:11:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 20:11:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:11:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:11:23,246 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 20:11:23,390 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:11:23,392 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:11:23,830 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:11:24,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:11:24,114 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 20:11:24,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:24 BoogieIcfgContainer [2023-12-02 20:11:24,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:11:24,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 20:11:24,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 20:11:24,120 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 20:11:24,120 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:11:22" (1/3) ... [2023-12-02 20:11:24,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5572f9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:24, skipping insertion in model container [2023-12-02 20:11:24,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:11:23" (2/3) ... [2023-12-02 20:11:24,121 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5572f9cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:11:24, skipping insertion in model container [2023-12-02 20:11:24,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:24" (3/3) ... [2023-12-02 20:11:24,123 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006_tso.oepc.i [2023-12-02 20:11:24,132 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 20:11:24,142 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 20:11:24,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-12-02 20:11:24,142 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 20:11:24,215 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-12-02 20:11:24,238 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 41 transitions, 94 flow [2023-12-02 20:11:24,465 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6444 states, 6418 states have (on average 3.5310065440947334) internal successors, (22662), 6443 states have internal predecessors, (22662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:24,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 20:11:24,485 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f6ce9d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 20:11:24,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2023-12-02 20:11:24,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 6444 states, 6418 states have (on average 3.5310065440947334) internal successors, (22662), 6443 states have internal predecessors, (22662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 20:11:24,511 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:24,511 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:24,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-12-02 20:11:24,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:24,516 INFO L85 PathProgramCache]: Analyzing trace with hash -555724314, now seen corresponding path program 1 times [2023-12-02 20:11:24,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:24,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42573092] [2023-12-02 20:11:24,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:24,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:24,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:11:24,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:24,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42573092] [2023-12-02 20:11:24,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42573092] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:24,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:24,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-12-02 20:11:24,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423785821] [2023-12-02 20:11:24,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:24,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 20:11:24,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:24,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 20:11:24,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:11:24,857 INFO L87 Difference]: Start difference. First operand has 6444 states, 6418 states have (on average 3.5310065440947334) internal successors, (22662), 6443 states have internal predecessors, (22662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:25,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:25,095 INFO L93 Difference]: Finished difference Result 4512 states and 15262 transitions. [2023-12-02 20:11:25,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 20:11:25,099 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-12-02 20:11:25,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:25,161 INFO L225 Difference]: With dead ends: 4512 [2023-12-02 20:11:25,161 INFO L226 Difference]: Without dead ends: 4512 [2023-12-02 20:11:25,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 20:11:25,167 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 20 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:25,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 12 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 20:11:25,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2023-12-02 20:11:25,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4512. [2023-12-02 20:11:25,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 4494 states have (on average 3.3960836671117045) internal successors, (15262), 4511 states have internal predecessors, (15262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:25,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 15262 transitions. [2023-12-02 20:11:25,488 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 15262 transitions. Word has length 7 [2023-12-02 20:11:25,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:25,488 INFO L495 AbstractCegarLoop]: Abstraction has 4512 states and 15262 transitions. [2023-12-02 20:11:25,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 15262 transitions. [2023-12-02 20:11:25,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 20:11:25,495 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:25,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:25,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 20:11:25,496 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-12-02 20:11:25,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:25,497 INFO L85 PathProgramCache]: Analyzing trace with hash 454891719, now seen corresponding path program 1 times [2023-12-02 20:11:25,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:25,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908828938] [2023-12-02 20:11:25,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:25,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:11:25,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:25,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908828938] [2023-12-02 20:11:25,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908828938] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:25,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:25,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:11:25,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88812542] [2023-12-02 20:11:25,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:25,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:11:25,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:25,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:11:25,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:11:25,666 INFO L87 Difference]: Start difference. First operand 4512 states and 15262 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:25,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:25,899 INFO L93 Difference]: Finished difference Result 3818 states and 12981 transitions. [2023-12-02 20:11:25,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:11:25,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 20:11:25,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:25,937 INFO L225 Difference]: With dead ends: 3818 [2023-12-02 20:11:25,937 INFO L226 Difference]: Without dead ends: 3818 [2023-12-02 20:11:25,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:11:25,939 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 43 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:25,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 24 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 20:11:25,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3818 states. [2023-12-02 20:11:26,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3818 to 3818. [2023-12-02 20:11:26,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3818 states, 3812 states have (on average 3.405299055613851) internal successors, (12981), 3817 states have internal predecessors, (12981), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 3818 states and 12981 transitions. [2023-12-02 20:11:26,122 INFO L78 Accepts]: Start accepts. Automaton has 3818 states and 12981 transitions. Word has length 15 [2023-12-02 20:11:26,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:26,123 INFO L495 AbstractCegarLoop]: Abstraction has 3818 states and 12981 transitions. [2023-12-02 20:11:26,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 3818 states and 12981 transitions. [2023-12-02 20:11:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 20:11:26,127 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:26,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:26,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 20:11:26,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-12-02 20:11:26,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:26,128 INFO L85 PathProgramCache]: Analyzing trace with hash 454891720, now seen corresponding path program 1 times [2023-12-02 20:11:26,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:26,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15272157] [2023-12-02 20:11:26,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:26,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:26,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:11:26,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:26,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15272157] [2023-12-02 20:11:26,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15272157] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:26,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:26,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 20:11:26,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951438197] [2023-12-02 20:11:26,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:26,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 20:11:26,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:26,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 20:11:26,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:11:26,234 INFO L87 Difference]: Start difference. First operand 3818 states and 12981 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:26,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:26,506 INFO L93 Difference]: Finished difference Result 3292 states and 11222 transitions. [2023-12-02 20:11:26,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 20:11:26,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2023-12-02 20:11:26,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:26,539 INFO L225 Difference]: With dead ends: 3292 [2023-12-02 20:11:26,539 INFO L226 Difference]: Without dead ends: 3292 [2023-12-02 20:11:26,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-02 20:11:26,541 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 53 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:26,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 18 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 20:11:26,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3292 states. [2023-12-02 20:11:26,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3292 to 3292. [2023-12-02 20:11:26,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3292 states, 3289 states have (on average 3.4119793250228034) internal successors, (11222), 3291 states have internal predecessors, (11222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:26,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3292 states to 3292 states and 11222 transitions. [2023-12-02 20:11:26,720 INFO L78 Accepts]: Start accepts. Automaton has 3292 states and 11222 transitions. Word has length 15 [2023-12-02 20:11:26,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:26,720 INFO L495 AbstractCegarLoop]: Abstraction has 3292 states and 11222 transitions. [2023-12-02 20:11:26,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:26,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 11222 transitions. [2023-12-02 20:11:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 20:11:26,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 20:11:26,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 20:11:26,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 20:11:26,735 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2023-12-02 20:11:26,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:11:26,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1827733842, now seen corresponding path program 1 times [2023-12-02 20:11:26,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 20:11:26,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520387535] [2023-12-02 20:11:26,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 20:11:26,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 20:11:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:11:27,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 20:11:27,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 20:11:27,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520387535] [2023-12-02 20:11:27,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520387535] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 20:11:27,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 20:11:27,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 20:11:27,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6954899] [2023-12-02 20:11:27,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 20:11:27,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 20:11:27,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 20:11:27,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 20:11:27,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:11:27,012 INFO L87 Difference]: Start difference. First operand 3292 states and 11222 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:27,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 20:11:27,301 INFO L93 Difference]: Finished difference Result 3208 states and 10982 transitions. [2023-12-02 20:11:27,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 20:11:27,302 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2023-12-02 20:11:27,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 20:11:27,302 INFO L225 Difference]: With dead ends: 3208 [2023-12-02 20:11:27,302 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 20:11:27,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-12-02 20:11:27,304 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 58 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 20:11:27,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 18 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 20:11:27,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 20:11:27,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 20:11:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:27,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 20:11:27,306 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-12-02 20:11:27,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 20:11:27,306 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 20:11:27,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 20:11:27,306 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 20:11:27,306 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 20:11:27,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2023-12-02 20:11:27,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2023-12-02 20:11:27,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2023-12-02 20:11:27,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2023-12-02 20:11:27,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2023-12-02 20:11:27,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2023-12-02 20:11:27,310 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2023-12-02 20:11:27,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2023-12-02 20:11:27,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2023-12-02 20:11:27,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2023-12-02 20:11:27,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2023-12-02 20:11:27,311 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2023-12-02 20:11:27,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2023-12-02 20:11:27,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2023-12-02 20:11:27,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2023-12-02 20:11:27,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 20:11:27,316 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-12-02 20:11:27,320 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-12-02 20:11:27,321 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 20:11:27,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:11:27 BasicIcfg [2023-12-02 20:11:27,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 20:11:27,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 20:11:27,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 20:11:27,325 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 20:11:27,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:11:24" (3/4) ... [2023-12-02 20:11:27,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 20:11:27,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2023-12-02 20:11:27,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2023-12-02 20:11:27,330 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2023-12-02 20:11:27,337 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 114 nodes and edges [2023-12-02 20:11:27,338 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-12-02 20:11:27,338 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 20:11:27,339 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-02 20:11:27,427 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 20:11:27,428 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 20:11:27,428 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 20:11:27,428 INFO L158 Benchmark]: Toolchain (without parser) took 4908.19ms. Allocated memory was 157.3MB in the beginning and 264.2MB in the end (delta: 107.0MB). Free memory was 114.6MB in the beginning and 157.0MB in the end (delta: -42.4MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2023-12-02 20:11:27,429 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory was 65.1MB in the beginning and 64.8MB in the end (delta: 321.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:11:27,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.98ms. Allocated memory is still 157.3MB. Free memory was 114.6MB in the beginning and 86.6MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 20:11:27,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.73ms. Allocated memory is still 157.3MB. Free memory was 86.6MB in the beginning and 82.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 20:11:27,430 INFO L158 Benchmark]: Boogie Preprocessor took 44.07ms. Allocated memory is still 157.3MB. Free memory was 82.4MB in the beginning and 79.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 20:11:27,430 INFO L158 Benchmark]: RCFGBuilder took 950.00ms. Allocated memory is still 157.3MB. Free memory was 79.7MB in the beginning and 60.1MB in the end (delta: 19.5MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-12-02 20:11:27,431 INFO L158 Benchmark]: TraceAbstraction took 3207.35ms. Allocated memory was 157.3MB in the beginning and 264.2MB in the end (delta: 107.0MB). Free memory was 59.2MB in the beginning and 163.3MB in the end (delta: -104.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-12-02 20:11:27,431 INFO L158 Benchmark]: Witness Printer took 103.22ms. Allocated memory is still 264.2MB. Free memory was 163.3MB in the beginning and 157.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 20:11:27,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 113.2MB. Free memory was 65.1MB in the beginning and 64.8MB in the end (delta: 321.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.98ms. Allocated memory is still 157.3MB. Free memory was 114.6MB in the beginning and 86.6MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.73ms. Allocated memory is still 157.3MB. Free memory was 86.6MB in the beginning and 82.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.07ms. Allocated memory is still 157.3MB. Free memory was 82.4MB in the beginning and 79.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 950.00ms. Allocated memory is still 157.3MB. Free memory was 79.7MB in the beginning and 60.1MB in the end (delta: 19.5MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3207.35ms. Allocated memory was 157.3MB in the beginning and 264.2MB in the end (delta: 107.0MB). Free memory was 59.2MB in the beginning and 163.3MB in the end (delta: -104.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * Witness Printer took 103.22ms. Allocated memory is still 264.2MB. Free memory was 163.3MB in the beginning and 157.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 834]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 834]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 884]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 884]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 74 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 174 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 174 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 312 IncrementalHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 30 mSDtfsCounter, 312 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6444occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-12-02 20:11:27,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c56a0e16-0784-434f-9b92-2755b0737ca6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE